A novel that is cold in the back. The organization of the book is again remarkable: short chapters that leave of suspense and force us to continue to learn more. The first chapter is just what will happen just before the denouement of the story at the end of the book. Suffice to say that one wants to know what will happen and what the various "clues" left match.
The character is very mysterious and Erich worked very well psychologically. Doubt flat and one hesitates on the identity of the culprit among several people ...