Monster, Vol. 6Johan 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 masterwork of suspense. Tenma learns that ten years ago, a woman lived in an old apartment house in downtown Prague with twin children, above a sign with three frogs. The neighbors also tell him about the Czech secret police and a