Ken Jennings has written at least 15 books. Their most popular book is Maphead: Charting the Wide, Weird World of Geography Wonks with 23 saves with an average rating of 3.73⭐.
They are best known for writing in the genres History, Nonfiction, and Adventure.
funny is their most common moods.
https://en.wikipedia.org/wiki/Ken_Jennings