Did you know? Circumference of Jupiter (439,000 km) is 50 x Length of the Great Wall of China (8,850 km)
Diameter of a CD / DVD (120 mm)
/fact/diameter-of-a-cd-dvd
Link
"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.