This magazine contains several mystery and crime stories with one, or two illustrations. This is a French edition of the American version (in existence since 1941). Translated stories (most of the time) with illustrations by French artists.
 

ELLERY QUEEN MYSTÈRE MAGAZINE, a pocket-sized monthly, French edition of "Ellery Queen Mystery Magazine". Amongst others Auclair illustrated for:

Ellery Queen Mystère Magazine 258 from August 1969; illustrations for stories by Hoch (left: L'Impossible "Crime Impossible", p.4-5)
    and Bloch (right:
Tu ne fais jamais rien de bien, p.44).