"Exploring the Land of Ooo" is a detailed (and unofficial) consideration of Adventure Time, the colorful and exuberant animated television series that initially aired from 2010-18 on Cartoon Network. Created by visionary artist Pendleton Ward, the series was groundbreaking and is credited by many with heralding in a new golden age of animation. In this book, author Paul Thomas presents a thorough overview of the series, explicating the nuances of its characters, its production history, its storytelling methods, and its vibrant fandom. Based in part on interviews with dozens of the creative individuals who made the show possible, this book aims to ensure that, when it comes to Adventure Time, the fun truly will never end. Note: This work was not produced or authorized by Pendleton Ward, Cartoon Network, Cartoon Network Studios, Warner Brothers, and/or Frederator.