"The Mask Club" by Allen Upward is a fascinating psychological thriller about a mysterious and exclusive club where its members hide their true nature behind masks. The action unfolds in the environment of rich and influential people who remain anonymous with the help of masks, reminiscent of an eternal ball-masquerade party. However, when one of the masks suddenly disappears and a dark and hidden reality comes to the surface, the members of the club find themselves in the middle of a dangerous intrigue where everyone can become a suspect. Upword is distinguished by the ability to create a tense atmosphere and reveal the inner conflicts of the characters, forcing the reader to experience every moment with them. "Mask Club" is a book that will leave you on the edge of your emotions, forcing you to think about the hidden pages of human nature.