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Length of the Epsom Derby horse race (2.4 km) is 5 x World record longest flight of an arrow from a bow (2010) (484 m)
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Number of helicopters in the world (56,200 )
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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.