LÉGER Fernand, CENDRARS Blaise. J'AI TUÉ. Paris, À la belle édition, 1918: square in-12 (187 x 180 mm), unpaginated, [36] pp. paperback, illustrated cover. First edition of the first book illustrated by Fernand Léger, with 5 drawings, two of which are reproduced outside the text and one on the cover. Edition of 256 copies, this one printed on papier à la forme (n°102). - Enclosed: Autograph letter signed by Blaise Cendrars to Bernard Gheerbrant (1 p. in-8 in blue ink on blue paper, dated 5 April 1958). In it, Cendrars thanks Bernard Gheerbrant and congratulates him on his edition of L'Homme foudroyé published by the Club des Libraires de France.