"Double Grin" is an exciting book by the famous writer Dan Brown, which tells about the incredible adventures of the symbology professor Robert Langdon. In this thriller, the author combined elements of art, history and religion, creating a fascinating world of mysteries and secrets. The main character finds himself at the center of complex intrigues related to the secrets of the Vatican and Great Britain. Will he be able to solve the codes and find the truth hidden for centuries? "Double grin" is a book that will make you hold your breath not only from the pursuers, but also from the tension and surprises on every page.