Did you know? Mass of the lightest allowable regulation baseball (142 g) is 40 x Mass of a UK penny (1p piece) (3.56 g)
Number of skyscrapers in Chicago (>150m tall) (137 )
/fact/number-of-skyscrapers-in-chicago-150m-tall
Link
If this was a standard unit ...
"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.