Reviews Come See the Earth Turn by Lori Mortensen, illustrations by Raúl Allén By Science News December 17, 2010 at 1:46 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print 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.