Fluide Glacial #21 was published by Fluide Glacial on March 1, 1978, as part of a series that began in 1975. Bruno Leandri and Daniel Goossens write, and art comes from Alexis (Dominique Vallet), André Franquin and Christian Binet. It features Donald Duck, Mickey Mouse, Tintin, Robert Bidochon and Kador, among 6 characters cataloged on VerseDB.