Did you know? Length of the St Lawrence Seaway Canal system (600 km) is 25 thousand x Length of a tennis court (23.77 m)
Mass of an adult male Hippopotamus (1,500 kg)
/fact/mass-of-an-adult-male-hippopotamus
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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.