Body Parts: Double-Jointedness, Hitchhiker's Thumb, and More

Body Parts: Double-Jointedness, Hitchhiker's Thumb, and More

by Buffy Silverman


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Can you stretch your thumb back to your arm? Is your pinkie straight or slightly bent? What determines the way your joints bend—or don't bend? Read this book to find out about how your genes affect your physical features.

Product Details

ISBN-13: 9781580139533
Publisher: Lerner Publishing Group
Publication date: 08/01/2012
Series: Lightning Bolt Books - What Traits Are in Your Genes? Series
Pages: 32
Product dimensions: 7.20(w) x 10.00(h) x 0.20(d)
Lexile: 510L (what's this?)
Age Range: 7 - 9 Years

About the Author

Buffy Silverman is the author of more than 90 nonfiction books for children, featuring topics from angel sharks to alligators, and Mars to monster trucks. Look for her nature-inspired poetry in anthologies and children's magazines, and visit her at

Table of Contents

Traits 4

Double-Jointed Fingers 10

All Thumbs! 16

Hands and Pinkies 20

Activity 28

Glossary 30

Further Reading 31

Index 32

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