Plop! — DC Comics, National Periodical Publications
Issue: #14
Contains:The Locked Door of Harkness HousePrescription PlopsThe Finishing TouchAnimal PlopsWednesday's ChildPrison PlopsWaning MoonPlop Drop The hosts visit a library seeking ever more terrible and haunting stories and jokes to share with the readers.
Creators: Wally Wood, Dave Manak, Marv Wolfman, Paul Levitz, Basil Wolverton, Sergio Aragonés, Maxine Fabe, Joe Orlando