Voyage in Time), 1944–45 (The Abduction of Spip), 1945 (Fantasio's Jeep), 1945–46. Also in hors-séries H2. (Fantasio and the Ghost), 1946. Also in hors-séries H4 André Franquin Spirou et Fantasio, 1948, featuring: Fantasio et le tank (Fantasio and his Tank), 1946. Also in hors-séries H1. Les Maisons préfabriquées (The Prefabricated Houses), 1946. Also in hors-séries H2. L'Héritage (The inheritance of Spirou), 1946. Also in hors-séries H1. Le Savant fou (The Mad Genius), 1947–48. Also in hors-séries H2 as . 1. Quatre aventures de Spirou et Fantasio (Four Adventures of Spirou and Fantasio), 1950, featuring: Les plans du robot (Spirou and the Robot's Plans), 1948 Spirou sur le ring (Spirou in the Ring), 1948 Spirou fait du cheval (Spirou rides a horse), 1949 Spirou chez les Pygmées (Spirou meets the Pygmees), 1949 2. Il y a un sorcier à Champignac (There is a Sorcerer in Champignac), 1951, written by Henri Gillain. First appearance of the Mayor and the Count of Champignac. 3. Les chapeaux noirs (The Black Hats), 1952; followed by: Comme une mouche au plafond (Like a Fly on the Ceiling) by Jijé. Spirou et les hommes-grenouilles (Spirou and the Frogmen) by Jijé. Mystère à la frontière (Mystery at the Frontier) 4. Spirou et les héritiers (Spirou and the Heirs), 1952. First appearance of Zantafio and the Marsupilami. 5. Les voleurs du Marsupilami (The Marsupilami Robbers), 1952; after an idea by Jo Almo. This story begins when ends. 6. La corne de rhinocéros (The Rhinoceros Horn), 1953. First appearance of Seccotine and Turbot-Rhino I. 7. Le dictateur et le champignon (The Dictator and the Mushroom), 1953; after an idea by Maurice Rosy. 8. La mauvaise tête (Obstinate and Difficult), 1954 9. Le repaire de la murène (The Moray's Hideout), 1955. First appearance of John Helena, alias "The Moray". 10. Les pirates du silence (Pirates of Silence), 1956; with Maurice Rosy (writing) and Will (backgrounds). also including , 1956 11. Le gorille a bonne mine (Gorilla's in Good Shape), 1956 also including (Uneventful Holidays). Second cameo of Gaston Lagaffe. 12. Le nid des Marsupilamis (The Marsupilamis' Nest), 1957 also including (Gangsters at the Fair) 13. Le voyageur du Mésozoïque (The Traveller from the Mesozoic, 1957) First actual cameo of Gaston Lagaffe. also including (Fear at the End of the Line, 1959; with Greg (writing) and Jidéhem (backgrounds). 14. Le prisonnier du Bouddha (The prisoner of the Buddha, 1959; with Greg (writing)