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How Do You Know What Time It Is? by Robert E. Wells (Illustrator)
$9.99 AUD
Stock: 0
Category: Children's Reference | Series: Robert E. Wells Science Ser.
The history of measuring time with funny and interesting examples and illustrations
How Do You Lift a Lion? (Wells of Knowledge) by Robert E. Wells
$15.99 AUD
Stock: 0
Category: Children's General | Series: Wells of Knowledge
Provides a simple introduction to the use of levers, pulleys, and wheels to move heavy objects.
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