Did you know? Pop. of Dar es Salaam, Tanzania (4.37 million people) is 4 x Number of words in all the Harry Potter books taken together (1.084million )
Volume of water in Lake Vostok (subglacial lake in Antarctica) (6,200 km^3)
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Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.
