Did you know? Mass of a typical American football (410 g) is 2.5 x Mass of a regulation pool ball (165 g)
Height of the Leaning Tower of Pisa (56.7 m)
/fact/height-of-the-leaning-tower-of-pisa
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"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.