Did you know? Circumference of Neptune (154,600 km) is 10 x Circumference of Mercury (15,330 km) Tweet this comparison
Pop. of Tokyo, Japan (13.3 million people)
/fact/population-of-tokyo-japan
Pop. of Tokyo, Japan (13.3 million people)
"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.