The Anatomical Guide to Lovecraftian Horrors

From the back of the book: What is the skeletal structure of a deep one? How does the byakhee hune organ allow them to travel through interstellar space? What organs and biological material make up the mysterious and ancient flying polyps? These questions and more will be answered in [this] groundbreaking scientific study of the anatomy, biology, and ecology of more than two dozen Lovecraftian horrors!