Haunted Cave Sign (Book)

Haunted Cave Sign is a crafting book the player can read to learn a crafting recipe for the Worktable.

Obtaining
Haunted Cave Sign book is given to the player by Gale at the start of  The Haunted Cave mission.

Usage
Haunted Cave Sign book can be used while in the player's inventory to learn to craft Haunted Cave Signs at the Worktable. The book is consumed on use.