Reading a new closed session so worried me a little. I hung up the sweet memory of the Forest of Shadows, persuading me that Thilliez could also be effective in this type of thrillers.
Finally? a very mixed feeling dominates. If history can be interesting, especially as Thilliez is a master in the use of fictional writings related to madness and psyche (see the previous thrillers), I find that the implementation is missed. The characters are caricatures, the expressions used fall off the plate, the "pretext" game is a parody, the reactions are too ragged or inappropriate characters. Unlike Dizziness lacked a solid scenario, Puzzle, lacks a coherent scene at the service of the story!
Too bad ...