The Book of General Ignorance
The Third Book of General Ignorance: QI: Quite Interesting
The Book of Animal Ignorance: Everything You Think You Know Is Wrong
What If?: Serious Scientific Answers to Absurd Hypothetical Questions
Thing Explainer: Complicated Stuff in Simple Words
The Book of Incredible Information
QI: The Third Book of General Ignorance (Quite Interesting)
Bad Days in History: A Gleefully Grim Chronicle of Misfortune, Mayhem, and Misery for Every Day of the Year
The Book of Extraordinary Facts