Paris: Dargaud, (1994). Hardcover first edition - Illustr de nombreux dessins en couleur. Conception graphique - Didier Gonard; couleurs - Claire de Graef. Texte en francias (Text in French). Cartoons. The 24th book in this Belgian comic series about an eponymous inventor and self-proclaimed genius and his long-suffering assistant, Basile, who most often serves as a guinea-pig for the inventions. Looking on are are Raoul the cat and Bernadette the mouse. Large format. 48 pp. ISBN: 2-884250050.