sentences:  The series provided "Pilote" with a competitor to the similar series "Buck Danny" serialised in "Spirou" magazine, and "Dan Cooper", which appeared in "Tintin" magazine.Started in October 1959, the series was continuously published by Pilote until June 1971.Then its publication went on in "Tintin" (1973), "Super As" (1979/1980), the Catholic magazine "Le Pélerin" (around 1981/1984), "Moustique Junior" (Belgium; 1988).