PORTLAND — Former “Jeopardy!” champion Ken Jennings, who once won 74 consecutive games on the TV game show, is coming to Maine.

Jennings is giving a presentation at the University of Southern Maine based on his newest book, “Maphead: Charting the Wide, Weird, World of Geography Wonks.” The event is free and open to the public and takes place at 6:30 p.m. Wednesday at USM’s Hannaford Hall.

Jennings became a national celebrity in 2004 when he won 74 straight games on “Jeopardy!,” winning more than $2.5 million.

Since then, he has written two other books and co-invented two trivia games.