Blake et Mortimer is a 31-book series with 31 released primary works first released in 1950 with contributions by Edgar P. Jacobs, Jean Van Hamme, Yves Sente, Jean Dufaux, José-Louis Bocquet, François Schuiten, Jaco Van Dormael, Thomas Gunzig, Laurent Durieux, Jean-Luc Fromental, José-Louis Bocquet, Jean-Luc Fromental, and Flo'ch.