He talked to Ellen about his co-star from "The Office," his new book, and more.
B.J. Novak Knew John Krasinski in High School
David Letterman - B.J. Novak's Museum Prank
Book Trailer: "One More Thing" by B.J. Novak
Ask a Grown Man with B.J. Novak
Actor and Producer BJ Novak Turns Author