Did you know? Pop. of Jeddah, Saudi Arabia (3.46 million people) is 50 x Number of helicopters in the world (69,700 )
Diameter of regulation baseball (73.7 mm)
/fact/diameter-of-regulation-baseball
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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.