Come to Seattle Central Library on Monday to find out!
We'll give you a hint: He's the guy who got to know host Alex Trebek the longest.
Give up? It's Jeopardy champion Ken Jennings, who's now a MG author!
Ken reads from his new series for middle-graders, Ken Jennings’ Junior Genius Guides: U.S. Presidents at 7pm on Monday, May 5, at the Seattle Public Library Central location. Ken is a bestselling author who also holds the record for the longest winning streak on the game show Jeopardy.