Fester's Unbelievable Underwear is a book by H.L. Ross. It was first published by Trumpet Club in 1992. It features The Addams Family characters from the 1992 animated series. Summary Uncle Fester invents a new fabric and partners with Norman Normanmeyer to produce underwear. Trivia This book is adapted from the episode "Happyester Fester". External Links archive.org Retrieved from "https://addamsfamily.fandom.com/wiki/Fester%27s_Unbelievable_Underwear?oldid=22091" Categories: Books A to Z Index Languages: Community content is available under CC-BY-SA unless otherwise noted.