"The Marble Mask" is a fascinating historical detective book written by the famous American writer Andrzej Sapkowski. In this novel, he tells about the adventures of the famous fiery desperado Geralt of Rivia. He finds himself embroiled in a complex and convoluted conspiracy involving mysterious murders scattered throughout the kingdom. The hero must solve each step in this non-trivial game and find the killer to remove a terrible threat from the kingdom. The book "The Marble Mask" is an exciting and unpredictable story that fans of fantasy and detective will definitely like.