HOUDINI, Harry (Erik Weisz, 1874 – 1926). The Unmasking of Robert-Houdin. New York: Conjurers' Magazine Publishing Company, [1908]. Pictorial two-color window poster advertising Houdini's book attacking his fellow magician Jean Eugène Robert-Houdin. Houdini poses with the book in a three-quarter length image in the upper left. Framed (Plexiglas) to 21 ¾ x 16 ¾". Bright and clean.