At seven years old, Jeopardy!-champion-to-be Ken Jennings saved his allowance for months to buy a copy of Hammond’s Medallion World Atlas. He would regularly lose himself in the complexity of tongue-twisting names, baffling shapes, and fascinating details of places all over the world. By ten, Jennings owned an entire collection of atlases, and his devotion hasn’t lessened with age. Maphead: Charting the Wide, Weird World of Geography Wonks is his effort to clue the rest of us into the wonders of maps. Embark on a journey encompassing everything from parchment cartography to Google Earth, from geocaching to mapping fictional lands. Filled with trivia, tales, and the joy of discovery, Maphead is a road trip worth taking.