Irene, an agent of the Invisible Library, has just won a rare work by Bram Stoker at a shady auction when she and her assistant Kai are ambushed. Too late, Irene realizes that it's not about the book, but about Kai. He is kidnapped using a devious trick. Irene begins to investigate feverishly. Who are the culprits? Where have they taken Kai? And what do they want from him? The answers leave even Irene speechless. A wonderful series for all book lovers. A Spiegel bestseller series. "Irene is a fantastic heroine: spirited, resourceful, clever, and endowed with a wonderfully charming sense of humor - much like the book itself." The Guardian.