Johan is a cold and calculating killer with a mysterious past, and brilliant Dr. Kenzo Tenma is the only one who can stop him! Conspiracy and serial murder open the door to a compelling, intricately woven plot in this masterpiece manga thriller.

When an unusual children's book causes a disturbing reaction in Johan, it may provide an ideal opportunity for Tenma to fire a well-aimed sniper shot. Could this curious book created by an obscure Czech writer also be the key to unlocking more secrets of Johan's enigmatic past?