What Is a Wedge? - Douglas, Lloyd G

For use in schools and libraries only. Examples of wedges in this book include an axe splitting wood, a chisel chipping and cutting, and a doorstop holding a door open.

What Is a Wedge? 2005, Scholastic Library Publishing, New York, NY

ISBN-13: 9780516239651

Hardcover

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What Is a Wedge? 2005, Children's Press(CT), New York, NY

ISBN-13: 9780516240268

Trade paperback

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