Paul Halter was born in Hagenau, Alsace, in 1956. He pursued technical studies in his youth before joining the French Marines in the hope of seeing the world. Disappointed with the lack of travel, he left the military and, for a while, sold life insurance while augmenting his income playing the guitar in the local dance orchestra. Upon discovering the writings of John Dickson Carr, he gave up the guitar for the pen. He has since written over 30 novels, almost all "locked room," including La Quatrieme Porte (The Fourth Door, ) which won the Prix du Roman Policier in 1987, and Le Brouillard Roug...