This first edition/first printing came directly from Mike's library and is autographed by Mike inside the book.
From the publisher:
After fifteen years of B.P.R.D. comics, the series reaches its explosive conclusion!
The final story in Mike Mignola's B.P.R.D. epic, Hellboy, Liz Sherman, Abe Sapien, and the rest of the bureau face off against one of their oldest enemies in the last battle to save the world.
Collects B.P.R.D.: The Devil You Know #11-#15. Plus 18 pages of sketchbook material.