Did you know?
Time since extinction of Neanderthals (30,000 y) is 400 x Period of Halley's Comet's orbit (75.3 y)
Tweet this comparison
Pop. of Istanbul, Turkey (14.16 million people)
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.