Bart Simpson's Treehouse of Horror is Bongo Comics's annual horror comic. It is published around September-October, for , and takes its name from the annual "Treehouse of Horror" episodes of The Simpsons. The comics feature guest artists and writers, typically parody the conventions of modern horror stories and films, and feature distorted version of the people of Springfield, like the TV episodes. In Britain, these are printed as part of the normal Simpsons Comics rotation. Some people call them the "Simpsons Halloween Annuals."