Eldritch: the Book of Madness is a dark fantasy setting where your heroes can explore a universe filled with profane shadows and horrific monsters.
This 348-page book is for DMs only, but is a complete campaign setting from 1st-level up to 12th level.
Drag your heroes into the Dread Wastes; they may escape, but they will never be the same again. 
 
Your Pledge: One Hardcover copy of Eldritch and one PDF edition.