"The Three Kings of Cologne" is a fascinating historical novel by the author Kate Sedley, which takes us to medieval Cologne. The main character, Roger Shalot, is a skilled executor of royal orders, tasked with uncovering the true image of countless false saints. This leads Roger to a mysterious monastery, where he faces difficult tasks, a deadly threat and secrets that could change his life forever. Mixing intrigue and adventure, "The Three Kings of Cologne" will grab you from the first pages and won't let you go until the very end.