The Audiobook of The Year (2018)

Did You Know? Where Facts Twist, Fiction Thins, Mysteries Wink: 1780 Random Mind-Blowing Facts & More Beyond Science and Reality

Richard Herring's Would You Rather?

Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything

Africa Unveiled: A Comprehensive Quiz Collection: Diving Deep into History, Culture, Wildlife, Football & Beyond

241 Real-World Brain Teasers.: Guided problem-solving in Inventions, Nature, Uncommon Trivia, and Business Innovation.