The Twin Test

His twins might be wild...

But she knows just how to tame them—and their father

Earthquake expert Dax Calder brings his eleven-year-old twins to the Serengeti to fulfill a promise to his late wife—never leave the girls. Meeting free-spirited teacher Pippa Harper feels like serendipity. She’s the perfect nanny for his mischievous twosome, even if her definition of rules is slightly different than his. But there’s one rule Dax never expected to break...falling in love again.

Award-winning and USA TODAY bestselling author RULA SINARA lives in rural Virginia with her family and crazy but endearing pets. She loves organic gardening, attracting wildlife to her yard, planting trees, raising backyard chickens and drinking more coffee than she’ll ever admit to. Rula’s writing has earned her a National Readers’ Choice Award and a Holt Medallion Award of Merit, among other honors. Her door is always open at rulasinara.com, where you can sign up for her newsletter, learn about her latest books and find links to her social media hangouts.

Also By Rula Sinara

From Kenya, with Love

The Promise of Rain

After the Silence

Through the Storm

Every Serengeti Sunrise

Discover more at millsandboon.co.uk

The Twin Test

Rula Sinara

www.millsandboon.co.uk

ISBN: 978-1-474-08497-0

THE TWIN TEST

© 2018 Rula Sinara

Published in Great Britain 2018

by Mills & Boon, an imprint of HarperCollinsPublishers 1 London Bridge Street, London, SE1 9GF

All rights reserved including the right of reproduction in whole or in part in any form. This edition is published by arrangement with Harlequin Books S.A.

This is a work of fiction. Names, characters, places, locations and incidents are purely fictional and bear no relationship to any real life individuals, living or dead, or to any actual places, business establishments, locations, events or incidents. Any resemblance is entirely coincidental.

By payment of the required fees, you are granted the non-exclusive, non-transferable right and licence to download and install this e-book on your personal computer, tablet computer, smart phone or other electronic reading device only (each a “Licensed Device”) and to access, display and read the text of this e-book on-screen on your Licensed Device. Except to the extent any of these acts shall be permitted pursuant to any mandatory provision of applicable law but no further, no part of this e-book or its text or images may be reproduced, transmitted, distributed, translated, converted or adapted for use on another file format, communicated to the public, downloaded, decompiled, reverse engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereinafter invented, without the express written permission of publisher.

® and ™ are trademarks owned and used by the trademark owner and/or its licensee. Trademarks marked with ® are registered with the United Kingdom Patent Office and/or the Office for Harmonisation in the Internal Market and in other countries.

www.millsandboon.co.uk

“You’re an amazing father. I can tell how much you love them.”

Could she tell that he loved her, too? That he was falling hard and fast? He pulled away and raked back his hair.

“No amount of experience can dampen the need to protect your children and those you...care about.”

“I’m not known for keeping quiet,” Pippa said. “I’d tell you if I thought you were too buried in work.” The corners of her lips lifted into a soft smile and he desperately wanted to kiss her again. But he couldn’t. It would make leaving that much harder, not just for him, but for her.

“I’m not known for listening.”

“I’d show you. Remind you.”

She reached up and wrapped her arms loosely around his neck. Her scent teased him. He slipped his fingers through her curls and held her face close to his, battling the need to either bridge the gap or break free and save them both.

Dear Reader,

When I wrote The Promise of Rain, my debut and first book in the From Kenya, with Love series, I knew that I’d end up watching spunky little four-year-old Pippa Harper grow up through the series. I was so moved when readers let me know that she had latched onto their hearts the way she had mine. In Every Serengeti Sunrise, Pippa had grown up and was now in her twenties...and experiencing devastating heartbreak. I had my doubts about Pippa ever being able to trust and love again.

But in this book, widower Dax Calder, an earthquake expert working off the grid in Kenya, shows up at the lodge with his impossibly difficult twin girls. Dax has suffered more than his share of loss and has buried himself so deeply in work, he’s forgotten how to love life or embrace parenthood. Talk about setting both Pippa and Dax up for more heartbreak! Two people who can’t risk falling in love again, yet who each hold the key to healing the other’s heart...and two twin girls who turn their worlds upside down.

My door is always open at rulasinara.com. Sign up for my newsletter, get information on all of my books and find links to my social media hangouts.

Wishing you love, peace and courage in life,

Rula Sinara

To parents and teachers around the world—and often far off the grid—for loving and putting children first, no matter what unique challenges must be overcome. Your patience, strength and dedication to their emotional well-being and education paves the way for brighter futures for each of them and, hence, a better

tomorrow for all.

Contents

Cover

Back Cover Text

About the Author

Booklist

Title Page

Copyright

Introduction

Dear Reader

Dedication

CHAPTER ONE

CHAPTER TWO

CHAPTER THREE

CHAPTER FOUR

CHAPTER FIVE

CHAPTER SIX

CHAPTER SEVEN

CHAPTER EIGHT

CHAPTER NINE

CHAPTER TEN

CHAPTER ELEVEN

CHAPTER TWELVE

CHAPTER THIRTEEN

CHAPTER FOURTEEN

EPILOGUE

Extract

About the Publisher

CHAPTER ONE

THEY WERE MISSING.

Dax Calder muttered a curse and tossed his laptop, satellite phone and several rock samples, on the hand-carved poster bed that occupied the bungalow’s main living space. He double-checked the adjoining bedroom, where his identical twin daughters were supposed to be waiting for him.

The room was in perfect order, down to their suitcases—one purple and one green—sitting uncharacteristically neat and aligned at the ends of their timber-pole framed beds. Two binders of math practice assigned from their virtual classes lay on a small writing table tucked in the far corner. He had a feeling the twins hadn’t touched a math problem since he’d left them three hours ago. Sheer white curtains danced over a colorful, handwoven tapestry rug in front of the sliding doors which led to a private, lava stone patio.

Escaped. Not kidnapped. Or killed. Or—God help him—eaten alive.

He raked back his hair and started for the open door. His flash of panic dulled to a smoldering irritation the second he spotted a piece of paper with a pair of cheeky smiley faces drawn on it taped to the glass behind the billowing sheers. Not again.

Their modus operandi. Cryptic notes. Nothing but the sketched faces and “bored x 2” written under them. How many times had he told them that they needed to stay put until he returned? Three hours was all he’d asked for out of desperation. Their nanny hadn’t arrived in Kenya yet, and the chief engineer overseeing the oil field extension Dax had been contracted to survey had set up a meeting this morning.

Dax ripped the paper down and crumpled it. It wasn’t the first time he’d dealt with their escapades. Using their twin factor to play pranks with hotel staff whenever he traveled was probably half the reason the hotels he frequented knew him so well. He wouldn’t be surprised if his name was tagged with a warning note: Beware of the twins.

Only he’d never stayed here at the Tabara Lodge before. Heck. They’d never stayed anywhere this exotic. He wasn’t worried about them sneaking into a hotel kitchen and switching the salt and sugar, or dressing up as the Grady twins from The Shining and knocking on random hotel room doors at night. No, at the Tabara Lodge he was more worried about what they’d run into. This was Africa...as in safari land.

As stunning as Kenya was, there was dangerous wildlife out there, and the girls’ idea of survival and self-preservation was limited to some pact they had never to rat on each other.

Dax tugged at the collar of his polo shirt, where it chafed the back of his neck. He paused only for a second to secure the door they’d left open.

He’d told them a million times to keep the bungalow locked up so that nothing would get stolen. He’d expected them to stay locked in because it made him feel more secure about leaving them alone for a few hours. Sure, he’d chosen Tabara because it was family friendly and had flushing toilets. But the guests and staff were still strangers. He had also been warned that wildlife here could be unpredictable and that vervet monkeys considered open doors an open invitation. He made a mental note to check his bags and equipment for anything missing—once he found his missing kids.

An area of flowering shrubs and fruit trees that shaded benches fashioned from thick, twisted branches, extended beyond the rustic stone patio. Twelve thatched-roof bungalows, joined by stone-lined dirt paths, sat in a semicircle around the main lodge, complete with reception area, restaurant and pool. Considering the view of the golden savanna in the distance, this upscale safari lodge watered its gardens well. It seemed a wasteful luxury for a region that suffered severe drought seasons, but then again, for what he was paying for an extended stay, the lodge could afford the extra water.

Water. He knew exactly where to look for them first—the one place he’d forbidden the twins to go alone.

He headed for the main lodge, rounding a small cove where urns of flaming red hibiscus surrounded a metal sculpture of a giraffe and its baby. The scent of pool water and earsplitting squeals hit him before he cleared the garden.

“Out. Now.”

“Dad! Jump in!”

Ivy disappeared under the water and shot across the pool so quickly that all he could make out was a blur of purple. Fern popped her head out of the water and pulled one of her green swimsuit straps higher on her shoulder.

Sandy had chosen the two colors when she was planning their nursery and outfits before they were born. The purple-and-green color coding had stuck as a way of telling the identical twins apart and, even now, the girls considered them each their favorite colors because their mother had chosen them. As for Dax, it made life a lot easier when he wasn’t wearing his contacts or when he was too tired to pay attention to their subtle differences, like the fact that Fern had always weighed a pound or two less than Ivy.

“Not happening. Now, both of you, out.”

He grabbed a complimentary towel from a stack and tossed it to Fern as she hoisted herself onto the edge of the pool. Ivy hedged her bets and flipped around for one more lap before obeying.

“You’re not really mad, Dad,” Fern said, wrapping her wet arms around him. “Are you? Because I’d feel guilty, and you know how that knots up my stomach and makes it so I can’t eat.”

Guilt trip, huh? He loved them to death, but these two were going to age him twice as fast. Make that four times as fast if they’d inherited their ability to guilt him into doing what they wanted from his mother.

“I totally am, and I would never make you eat if you weren’t up to it.” Dax tossed another towel at Ivy as she dripped on over to them. “So glad you could finally join us.”

“Oh, come on, Dad. Didn’t you have ‘physical education’ written on the schedule you made up for our nanny? Since she’s not here yet, we figured we should get it done anyway, like the responsible individuals you’re raising us to be,” Ivy said.

“Yep, we’re on time and everything. In fact, isn’t math up next, Ivy?”

Fern smiled at her sister, and something unspoken passed between them. He couldn’t put his finger on it, but his parental instincts screamed conspiracy. Was math a code word or something? Man, he wished he could tap into their telepathic twin phone line. He narrowed his eyes and put a hand on each of their shoulders when they tried slipping past him.

“Math and reading were the only things you were supposed to do the past three hours. That and staying put.”

“But the power went out again,” Fern said.

That would make it twice since they’d arrived yesterday—if she was telling the truth. Being at the mercy of generators was something they’d have to get used to during their stay here.

“You don’t need power. Your math was printed out and there’s plenty of sunlight for reading.”

They started to argue and he cut them off.

“I’m not kidding, you two. I set your ground rules to keep you safe. Swimming without supervision isn’t okay—”

“But we’re good swim—”

“Don’t interrupt me, Ivy. I don’t care if you’re Olympic gold medalists. Things can happen. You could hit your head jumping and get knocked unconscious in the water. Or something even worse. And everyone here is a stranger—staff and guests. What if there was a creep hanging out here? Or a wild animal?”

There wasn’t even a lifeguard on duty, for crying out loud.

The images he’d seen of the South Asian earthquake-triggered tsunami that killed thousands—including families on vacation, lounging around pools—flicked through his mind. He’d been a sophomore in college at the time, and his friend had been on vacation in Indonesia. He’d died in the tsunami, along with his parents and sister.

The entire family. Gone. Unexpectedly.

The tragedy had hit Dax hard, eclipsing the other disasters ruining his life at the time, like his girlfriend dumping him and his parent’s divorce announcement.

He hated the unexpected.

Dax sucked in a deep breath, rubbed the base of his throat, then put his hands on his hips.

The tsunami was a memory. The past. The reason he’d decided to study quakes. To save people. To stop natural disasters from shaking and tearing lives apart like fissures in the crusty earth. It wasn’t something he talked about, especially not to the girls.

“We’re at a lodge, Dad. I think we’d need to go on a safari to see the wild animals.” Fern folded her arms and shifted her weight to one side. They’d been begging for him to take them on a safari, once they arrived in Kenya, but he didn’t have time for one yet. They weren’t here on vacation. He had work to do. People to answer to.

“Should I forward you the article I read about an elephant that kept breaking onto hotel grounds to drink from their pool? Besides, if gators and snakes can make it into toilets and pools in Florida, then I wouldn’t be surprised if something more dangerous slinked into a pool out here. And by dangerous, I mean more dangerous than the two of you.”

“Very funny.” Ivy grinned. “So, when’s Number Seven supposed to get here?”

“That’s Miss Melissa, to you. Don’t you dare call her Nanny Number Seven. She has no idea how many you’ve been through. Unless you told her.”

“Why would we do that?” Ivy pursed her lips as if to keep from smiling as she dried her hair.

There was that fleeting exchange between them again. Dax pinched the bridge of his nose, then raked his hair back.

Melissa had been with them only a week before he’d signed this contract with Erebus Oil. The contract had been an offer he couldn’t refuse. Due to his expertise and reputation as a seismologist, they were paying him more than he’d ever make in research...even more than he’d made on his last two jobs in the petroleum industry. And the living allowance Erebus offered as incentive was helping him afford Tabara Lodge. He’d told them upfront that he’d need a living situation amnenable to bringing his daughters along. That part of the deal had been nonnegotiable. His daughters and their nanny couldn’t live on-site in trailers, like the rest of Dax’s crew would be doing. He was lucky Melissa had agreed to come with them, and he’d gone over the arrangement with her multiple times. Of course, he had paid for her ticket from Texas, too.

Then he’d bribed the girls.

For every month the nanny stayed, he’d give them an allowance bonus. If their nanny quit, he’d dock their allowance. Reimbursement for his time and trouble. So far, so good.

“Miss Melissa should be here tonight. I was about to check for any flight delays when I returned from my meeting, but as luck would have it, I ended up looking for the two of you. You left the room unlocked, by the way. Strike two. Let’s go.”

“Oops.” Fern linked her arm in Ivy’s and the two vanished down the garden path toward their room. He heard them giggling to each other. Laughter was supposed to be a happy sound, not a worrisome one. He scrubbed his face and shook his head.

“It’s been less than forty-eight hours since you left home, Dax. Man up. You’ll survive,” he muttered. A little sleep wouldn’t hurt. His exhaustion and preoccupation with work gave the twins the advantage. How was it the girls seemed immune to jet lag? He needed a nap but didn’t dare take one. Unless, perhaps, he kept one eye open.

More laughter rang out as he started down the path after them, only this time it didn’t sound like the twins, and it was coming from—

He looked across the pool and beyond an arched stone arbor that led to an outdoor, canopy-covered seating area for the lodge’s restaurant. A woman with wildly curly auburn hair and an equally radiant smile walked past the tables and mass of fig trees that divided the dining and pool areas, making odd gestures with her arms as she spoke. There. He was right to warn the kids that everyone here was a stranger and some were a bit off in the knocker.

A brood of six blond-haired kids emerged from behind the curve of the lodge’s wall, following her like she was the Pied Piper. Okay, so she wasn’t talking to herself, but still, one had to be just a tad nuts to have that many kids. He could barely handle two.

He stuck his hands in his pockets and returned to the bungalow. Reassured by the sound of the twins’ voices in their room, he went straight for his laptop, hoping the lodge’s wifi wouldn’t fail him. It was yet another reason he’d booked this place. Most lodges only offered it in the lounge and restaurant.

The first few emails were from Ron Swale, the chief engineer he’d met with earlier at the survey site. The not-so-subtle yet diplomatic reminder that any seismic data Dax and his team collected was for the purpose of analyzing and mapping the possibility of oil pockets in a field extension near Erebus’s current wells—not research—had set his blood to simmering. It had taken everything in him not to walk away, but he’d signed a contract and his crew was counting on him for their jobs. He needed the income, as well. The fact was, he’d cleared collecting a little seismic data on his own time with management when he’d signed on for this. He’d never been close to the Greater Rift Valley region before. Not studying the area while he was here would be like forcing a kid to walk through miles of toys and not be allowed to touch even one.

Ron’s condescension might have irked him, but it was guilt that really gnawed at Dax.

Giving up on researching earthquake prediction hadn’t been a choice, it had been a necessity. And now any research he did was in the name of serving the oil company.

He knew about the relatively recent uptick in tremor activity in the area, some too weak for anyone to feel, but environmental groups were beginning to make waves. The same anti-fracking environmental groups Sandy used to support. Most oil companies insisted post-fracking water injections had nothing to do with increases in seismic activity.

Dax wasn’t so sure. Yet, here he was. That made him an enabler, didn’t it? But he had debts to pay off and the girls to raise and working for a petroleum company paid well. Six-figures well, which was more than double what he’d been pulling in before from research grants.

Don’t overanalyze. It’s a steady job. Just do it. But “doing it” meant he required full-time help with the twins more than ever. He rubbed the back of his neck as he scrolled down the emails in his inbox, finally spotting one from Melissa. He needed her here yesterday. He opened the email, but the knots in his neck only tightened. You’ve got to be kidding me.

“Ivy! Fern! Come in here. Now.”

The carved wood door to their room swung open and the two appeared dressed in shorts and T-shirts with their wet hair loose and half-combed out. Their eyes flitted toward his laptop and back up to him, widening just enough to look innocent.

“What’s up?”

“Nanny Number Seven quit. What do you two know about this?”

“I thought we weren’t supposed to call her that,” Fern said.

“I’m a little upset here, so I’ll call her Seven if I want to, especially since I now have to take time I don’t have to search for Eight.” He was sounding just like the twins. He squeezed his eyes shut and inhaled, long and deep.

“He’s at a 5.0,” Ivy muttered. “We’ll live.”

“Are you kidding? His neck is red. That puts him at a 6.5,” Fern countered.

Dax ignored their habit of using the Richter scale to gauge how mad he was at their shenanigans.

“It says in her email that the giant spider in her purse was the last straw.”

“It was fake. Besides, that’s such an overused prank, she should have expected it. She’s just a wimp. So much for her acting all sergeant-like. All bark and no bite. And she’s lazy—anyone who uses that as an excuse to quit doesn’t really want to work,” Ivy said.

“And you two certainly are a job.” He had no doubt the spider had only been a warm-up for the twins. A test. It didn’t come close to their somewhat scary creative capacity.

“It was harmless, Dad. We pulled it out of our Halloween supplies. We were just having fun. Fun is a necessary part of raising well-rounded, healthy, psychologically balanced children,” Fern added.

Wow. Just wow.

He closed his laptop. Three years and he still had to pause and ask himself what Sandy would do. Only lately, he kept coming up blank. She didn’t even visit in his dreams anymore...not the way she had after she’d left him and kept the girls. They had been five at the time.

Looking back, he couldn’t blame her for leaving. She’d been right. He’d been too busy chasing after his obsession to find better ways of predicting earthquakes and saving lives. He’d spent more time in tents doing field research than he had at home, protecting his family.