Call of Catthulhu Book II: Unaussprechlichen Katzen

In Lovecraftian German, the name of this book more or less means "Unspeakable Cats." To aspiring Cat Herders, it definitely means a wealth of vital information about running rousing adventures in Cats of Catthulhu, the game where ordinary cats secretly defend human civilization from the Chaos cults of the other animals. With this and Book I: The Nekonomikon, you're ready to play!