We knew that Jeopardy force of nature Ken Jennings was working on a book about maps; now we know that the book, entitled Maphead: Charting the Wide, Weird World of Geography Wonks, will be coming in September. Publishers Weekly has an interview with Jennings. US Airways magazine has an excerpt. Via All Points Blog.

Previously: Ken Jennings Is Writing a Map Book.

• Buy Maphead at Amazon.com (Canada, UK)