Most things we observe each day reflect what they really are. In espionage, much of what is seen is illusion. A case officer walking into a room may question if he’s heading into a situation, or out of one. When following someone, who’s the pursuer and who’s being pursued? Operatives often wonder if their perspective is correct. For several reasons, The Enigma is Ostrovsky’s most intriguing creation. Rarely does he draw inspiration from another source, but The Enigma was inspired by a sketch from M. C. Escher. Here, Ostrovsky bends reality into a six-sided optical illusion in which up becomes down, and floor becomes ceiling.