Exploring the Multiverse: Adventure Time's History and Themes

30+ Children's Books About Nature and the Environment

Space exploration, History, Definition, & Facts

Multiverse, Adventure Time Wiki

Vernon Press - Star Wars: Essays Exploring a Galaxy Far, Far Away [Hardback] - 9781648896712

The big bang Institute of Physics

The Hermetic Revival: 7 Ancient Principles For Self-Mastery, by Colton Swabb, Mission.org

As 'Adventure Time' wraps, a look back at how the series broke barriers and changed the genre - Los Angeles Times

Multiverse, Adventure Time Wiki

Multiverse, Adventure Time Wiki

Nickelodeon Universe Theme Park Is Just Outside New York City