When Count Hattenröök asks Nelly and Valle to research his family history, the two young agents are thrown back in time to when knights still rode across the land, and their skills is put to the test. With Calm, Cleverness and Cunning (and a little half-truthing) they free a captured king and find out who really founded the Monster Academy! Let’s just hope they’ve succeeded in doing so without changing history too much…

Nelly Rapp and the Secret Library is Martin Widmark and Christina Alvner’s nineteenth book about the monster agent Nelly Rapp. And this time it’s not just creepy, funny and easy to read – it’s also the story of the Monster Academy’s founding.