“Quest” is a new novel from the “Genres” series, in which Boris Akunin presents examples of all kinds of literature, both existing and invented by the author. The latter also includes a “novel - computer game” - a book that can not only be read, but also played. This action-packed novel is built according to the laws and logic of a computer game. The reader is offered an unusual opportunity - to solve, together with the hero, one of the MAIN SECRETS of humanity, for which he will have to go to the Soviet Union of the thirties, and from there be transported to an even more distant era. “Quest” is a novel with a double bottom, or rather, two independent novels, interconnected through HINT CODES.