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Inclined Planes (Understanding Simple Machines)
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ISBN: 9780736806107
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Wheels and Axles (Understanding Simple Machines)
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ISBN: 9780736806152
List Price: $23.32
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Theodore Roosevelt (United States Presidents)
by Anne Welsbacher
ISBN: 9781562397425
List Price: $27.07
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Rutherford B. Hayes (United States Presidents)
by Anne Welsbacher
ISBN: 9781577652489
List Price: $27.07