National Book Festival Presents Dav Pilkey

Dav Pilkey presented his new book, "Dog Man: For Whom the Ball Rolls."
- Dav Pilkey is the author of the bestselling children's series, "Captain Underpants." His latest series, "Dog Man," is a New York Times bestselling series.
For transcript and more information, visit www.loc.gov/item/webcast-8919