Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Six strangers wake up in a cold, windowless room with no memory of how they got there. They soon discover they’ve been selected for a deadly experiment-one where solving intricate puzzles is the only way to survive. Each room tests their wit, morality, and will to live. And someone-or something-is always watching.