Did you know? Height of a typical Hot Air Balloon (24 m) is about as big as Length of a tennis court (23.77 m)
Length of a standard playing card (88.9 mm)
/fact/length-of-a-standard-playing-card
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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.