|Release date||January 2009|
|Website||product page at archive.wizards.com|
Open Grave: Secrets of the Undead is a 4th edition Dungeons & Dragons rules supplement published in January 2009.
The book provides background information, artifacts, rituals, monsters, and templates related to the undead.
Bruce R. Cordell led the Open Grave game design, with Eytan Bernstein and Brian R. James also credited on the cover for design. Chris Seaman is the front cover illustrator.