Edward Brooke-Hitching was until recently a writer for TV's QI. He is a Fellow of the Royal Geographical Society. His writing has featured in the Guardian, The Times, the Wall Street Journal, the Economist and the Washington Post, amongst others. An unsuccessful amateur sword-swallower, he lives in Berkshire.

Jez Tuya is an illustrator based in Wellington, New Zealand's windy capital. He's been honing his craft and working as an illustrator for many years, and over this time he's worked for many clients in children's book publishing including Walker Books, Nosy Crow, Usborne and Dorling Kindersley.