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Each book in this series concisely surveys a major historical event or interrelated series of events or a major cultural, economic, political, or social movement. In this book, learn about colonialism and the rise of developing countries.

Each book in this series concisely surveys a major historical event or interrelated series of events or a major cultural, economic, political, or social movement. In this book, learn about the Cold War.

Each book in this series concisely surveys a major historical event or interrelated series of events or a major cultural, economic, political, or social movement. In this book, learn about the Arab-Israeli conflict.

Marcus has a cold. Ning breaks her arm. It seems like every "body" is falling apart! Can Zac put it all together with help from Leonardo da Vinci, Rosalind Franklin, and more?

When clouds ruin Zac's stargazing party, Lucía may just decide she hates space once and for all. And what has Marcus thinking he would rather live on the moon? Find out what happens as the kids get the scoop on space from Annie Jump Cannon, Edwin Hubble, and more.

A mystery beast is trashing yards around the neighborhood and seriously freaking out Zac's dog, Orbit. Can Zac, Ning, Lucía, and Marcus identify the invader with help from Charles Darwin, Aristotle, and more?

A visit to Tornado Alley turns into a game of tag with a dangerous twister. Can Zac, Lucía, Marcus, and Ning weather the storm with help from Ted Fujita, John Park Finley, and more?

When the power goes out at Zac's house, will Marcus, Lucía, and Ning be left in the dark? Time to spark a conversation about electricity with Nikola Tesla, Benjamin Franklin, Michael Faraday, and more.

Can Zac, Ning, Lucía, and Marcus build a cart fast enough to win the big race? They will need to freshen up on forces, with help from Isaac Newton, Galileo, the Wright brothers, and more.

This book explains how meat-eating animals hunt down and capture prey.