Moneyball meets medicine in this remarkable chronicle of one of the greatest scientific quests of our time and the visionary mastermind behind it. Medical docto

Provide young readers with a better understanding of what causes these weather events and how to stay safe should a dangerous situation arise. With simple text

This taut, true thriller dives into a dark world that touches us all, as seen through the brilliant, breakneck career of an extraordinary hacker--a woman known

Explains how to keep track of the parts of the day with a clock; describes the development of the sundial, the hourglass, and the clock; and discusses minutes a

Real-world examples and engaging activities guide readers in learning about measuring weight. Readers practice selecting appropriate measuring tools and units o