Beware: Books can't be more dangerous! Hildegunst von Mythenmetz, the greatest writer of Zamonia, revels in his success at the Lindworm Castle. Then, he receives a mysterious letter that tempts him to bid farewell to his comfortable life and return to Buchhaim, the city of dreaming books. There, he encounters a newly built city that vibrates with life centered around books. He meets old friends, such as the Lindworm Ovidios and the antiquarians Hachmed Ben Kibitzer and Inazea Anazazi, as well as new phenomena and wonders of the city.