Did you know? Height of Mount Everest (8.85 km) is 40 x Height of the Hoover dam wall (221.4 m)
Length of an ice-hockey rink (61 m)
/fact/length-of-an-ice-hockey-rink
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If this was a standard unit ...
"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.