Maphead: Charting the Wide, Weird World of Geography Wonks is a love letter to the maps Ken loved as a child. He travels the world in search of his fellow mapheads: antique map collectors, atlas publishers, geocachers, Geography Bee prodigies, systematic travelers, and roadgeeks. Who are these prodigies, and can they save the world from its own geographic illiteracy before it's too late?

"Jennings's charming, witty account reveals a whole other universe." —Sam Kean, author of The Disappearing Spoon

Brainiac is the bestselling account of Ken's "Adventures in the Curious, Competitive, Compulsive World of Trivia Buffs," for trivia addicts and novices alike. Ken's guided tour to the trivia world takes you from behind the scenes on Jeopardy! to the pub quizzes of Boston, from the college quiz bowl circuit to the annual 54-hour trivia marathon in tiny Stevens Point, Wisconsin.

"A thoughtful and lively exploration of a subculture where knowledge actually is power—and no detail is ever too small." —Stefan Fatsis, author of Word Freak