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Ben Franklin and the Magic Squares - Murphy, Frank, CM

This funny, entertaining introduction to Ben Franklin and his many inventions includes the story of how he created the "magic square" -- a box of nine numbers arranged so that any line of three numbers add up to the same number, including on the diagonal! A "Step into Reading & Math(" title. Full-color illustrations.

Ben Franklin and the Magic Squares 2001, Random House Children's Books, New York, NY

ISBN-13: 9780375806216

Trade paperback

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Ben Franklin and the Magic Squares 2001, Turtleback Books

ISBN-13: 9780606205689

Hardcover

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