Concept: “Many a scholar, after spending a day with the book, finds that sleep escapes them that night as the haunting vision of the many monsters described in the book consume their imagination.”
Content: 20 monsters as well as a region for them to inhabit and local rumors for PCs to overhear
Writing: Provides lots of exposition on each monster as well as multiple adventure hooks and detailed stat blocks
Art/design: Features detailed black-and-white illustrations against a stylized Mörk Borg-yellow ground
Usability: GMs would be well-advised to read each entry carefully and take note of the copious details