A hundred young boys, all amnesic, find themselves trapped in a gigantic maze with walls change every day. Each month a young "new" joined the maze. Thomas is the latest boy. The next day a girl, the first ever entry into this labyrinth, it lets them know that this will be the last ...
The first force of the author is to give few clues necessary for the reader to draw his hypotheses and together these indices are strong enough to give us the desire to continue playing. We finally know very little and there in full of question marks but it happens at any time to release the book as it makes us want to know, to understand. Very very strong ...
Writing is correct and fits well to the genre.
The characters have a certain depth. Could have had a little more "thick" and be more engaging for my taste (very subjective).
The ending leaves us hungry ... and that's because there with a second and a third service and a dessert (the Prequel).