Richard H. Langley

Practice makes perfect—and helps deepen your understanding of chemistry Every high school requires a course in chemistry, and many universities requir…

Practice makes perfect—and helps deepen your understanding of chemistry Every high school requires a course in chemistry, and many universities requir…

Grasp biochemistry basics, apply the science, and ace your exams Are you baffled by biochemistry? If so here's the good news ? you don't have to stay …

A plain-English guide to one of the toughest courses around So, you survived the first semester of Organic Chemistry (maybe even by the skin of your t…