I am amazed by out wiki introduced Paul Thomas' e-book about Adventure Time, but the link in template doesn't work. Actually that happened once and why don't we just use this post from his blog instead:
https://gunterfan1992.tumblr.com/post/623275210153525249/exploring-the-land-of-ooo-out-now
He also provided this mega link: https://mega.nz/file/qQUTUKDb#IvtYjNX3reBIQs0ellQ_gmVx91GiqBKrLRGe_5f63AE