Pep Parade #4 was published by Amsterdam Boek on August 1, 1971, as part of a series that began in 1969. Cabu and Claire Bretecher write, and art comes from Claude Poppé, Georges Pichard and Jean-Claude Mézières. It features Blueberry, Michel Tanguy, Valérian, Laureline and Ernest Laverdure, among 7 characters cataloged on VerseDB.