Did you know? Height of the London Eye Ferris Wheel (135 m) is about as big as Height of Sydney Harbour Bridge (134 m)
Number of aircraft carriers in the world (167 )
/fact/number-of-aircraft-carriers-in-the-world
Link
If this was a standard unit ...
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.