A conversation moderated by Kent Osborne (head of story, Adventure Time) with Martin Olson (voice actor, The Lord of Evil), and Olivia Olson (voice actor, Marceline The Vampire Queen) about their new book from Abrams, The Adventure Time Encyclopedia, including a slide show and a dramatic reading from the book. Surprises may include a terrifying appearance by Hunson Abadeer himself, a music video from the Nightosphere, and Olivia singing with special surprise guests. Audience participation is encouraged for maximum chance of survival!