Fatherland, written by Robert Harris, is a gripping alternative history mystery set in a world where Nazi Germany won World War II. The story takes place in 1964, with Berlin preparing for Adolf Hitler's 75th birthday celebration. Amidst the preparations, a murder investigation leads detective Xavier March to uncover a shocking conspiracy that could change the course of history. Harris's atmospheric writing and skillful blending of historical events and mystery make Fatherland a compelling read for fans of alternative history and mystery genres.