- Accurate and Up-to-date Information

- Over Two Dozen Often-Dreamt Creatures

- Quick-Reference Monster ID Key

- 26 Evocative Full-Page Paintings

- 3 Pages of Full-Color Maps

- 50+ Illustrations and Silhouettes

- Uniform Presentation of Data

- Special Size Comparisons

- Habitat, Distribution, and Life Cycles

- Similar Lifeforms Distinguished

- Latest Preternatural Scholarship

- Observer Warnings as Needed

- Bibliography

- Faithful to Lovecraft