Weird shapes in the park? Odd rumbling noises in the basement? When you need to know what you're encountering, you need to know it fast - don't leave home without the Field Guide!

- Accurate and Complete
- Over Two Dozen Often-Met Creatures
- Quick-Reference Monster ID Key
- 27 Evocative Full-Page Paintings
- 50+ Illustrations and Silhouettes
- Uniform Presentation of Data
- Special Size Comparison Charts
- Habitat, Distribution, and Life Cycle notes
- How to Distinguish Similar-Seeming Entities
- Latest Hyper-Geometric Scholarship
- Specialized Observer Warnings as Needed
- Full Bibliography
- Faithful to Lovecraft