Excerpts

Title: 50 American Heroes Every Kid Should Meet, 3rd Edition

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Title: 50 Animals That Have Been to Space

Series: Beginner's Guide to Space

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Title: 50 Space Missions that Changed the World

Series: Beginner's Guide to Space

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Title: 50 Things to Know about the International Space Station

Series: Beginner's Guide to Space

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Title: 50 Things to See on the Moon: A First-Time Stargazer's Guide

Series: Beginner's Guide to Space

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Title: 50 Things to See with a Telescope: A Young Stargazer's Guide

Series: Beginner's Guide to Space

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Title: 50 Things You Didn't Know about Ancient Egypt

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Ancient Greece

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Ancient Rome

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Australia

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Canada

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Colonial America

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about France

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Great Britain

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about Mexico

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about the Middle Ages

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about the Old West

Series: 50 Things You Didn't Know About

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Title: 50 Things You Didn't Know about the Republic of Korea

Series: 50 Things You Didn't Know About

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Title: 50 Things You Should Know About Inventions

Series: 50 Things You Should Know About

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Title: 50 Things You Should Know About Music

Series: 50 Things You Should Know About

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Title: 50 Things You Should Know About Space

Series: 50 Things You Should Know About

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Title: 50 Things You Should Know About the Environment

Series: 50 Things You Should Know About

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Title: 50 Things You Should Know About the Human Body

Series: 50 Things You Should Know About

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Title: 50 Things You Should Know About the Vikings

Series: 50 Things You Should Know About

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