Did you know? Diameter of Pluto (2,377 km) is 4 x Length of the St Lawrence Seaway Canal system (600 km)
GDP in United Kingdom (2019) (2.828 trillion USD p/a)
/fact/gdp-in-united-kingdom
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.