The Weird World of Geography Wonks

Ken Jennings devotes a whole chapter in "Maphead" to the "amateur highway scholars" who call themselves "roadgeeks." Whether they're worth so much attention is an open question. Judge for yourself: "Roadgeeks are the only ones writing huffy e-mails to their transportation departments when they notice confusing signs or misnumbered shields, and time and again, from Kanab, Utah, to Pensacola, Florida, they've been pleased to see the errors they reported fixed the next time they've driven by."