Did you know? Mass of Cessna 172 aircraft (998 kg) is 100 x Mass of a large watermelon (10 kg)
Number of keys on a piano (88 )
/fact/number-of-keys-on-a-piano
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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.