"synopsis" may belong to another edition of this title.
The Horn Book Guide
"A basic introduction to levers, wheels, and pulleys."
School Library Journal
"About this title" may belong to another edition of this title.
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Book Description Hardcover. Condition: new. Wells, Robert E. (illustrator). New. Fast Shipping and good customer service. Seller Inventory # Holz_New_0807534196
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