By Raúl Allén
Web edition: December 17, 2010 Print edition: January 1, 2011; Vol.179 #1 (p. 34)
Buy this book
Aimed at kids age 7 to 9, this picture book shows how Léon Foucault and his pendulum demonstrated the Earth's spin.
Tricycle Press, 2010, 32 p., $17.99.
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