What Is Emerging from the Chrysalis?

Concept: “You encounter a giant pale cocoon. And it has started to split open.”
Content: 30 horrible things to blindside your players with
Writing: Includes basic stat blocks for all entries
Art/design: Textually dense but a distinct visual character
Usability: None of the monsters are particularly vicious; a good way to catch PCs off guard when they think they’ve cleared a room