: This is a recurring location in Ooo, run by the Turtle Princess.
: Finn meets Paper Pete, the leader of the Pagelings, who reveals they are at war with the Moldos , mold-like creatures that eat and destroy the library’s books. [S3E22] Paper Pete
: Jake spends the episode trying to read Rainicornicopia , an unabridged history of Rainicorns. Because he ignores Finn and doesn't actually finish the book, he misses crucial information—such as the fact that Rainicorns age rapidly. : This is a recurring location in Ooo,
: The episode centers on Jake’s skepticism. He believes Finn is just playing "make-believe" and refuses to acknowledge the tiny creatures, even as they crawl on him and try to get his attention. Because he ignores Finn and doesn't actually finish
: Fans on Reddit have noted a book in the background that appears to feature the Ice King's crown and ice shards.
: Finn helps the Pagelings fight off a Moldo attack. Eventually, the Moldos retreat, though they vow to return. Jake remains oblivious to the reality of the war until the very end. Key Details & Trivia
In the Adventure Time episode (Season 3, Episode 22), the plot follows Finn as he discovers a secret society of "Pagelings"—tiny paper people—living in the library while Jake is busy trying to learn about Rainicorn history. Episode Overview