8 books in series

Ghost

Ghost is a 8-book series with 8 released primary works first released in 1994 with contributions by L.E. Modesitt Jr., Mike Mignola, Scott Benefiel, Jasen Rodriguez, James Robinson, Marion Dane Bauer, Alex Ross, Kelly Sue DeConnick, Christopher Sebela, and Howard Shum.

Of Tangible Ghosts
The Ghost of the Revelator
Ghost of the White Nights
Hellboy: Masks and Monsters
Cover 6

Ghost Omnibus 1

Ghost Omnibus Volume 2
Ghost Volume 3: Against the Wilderness
Ghost Volume 2: The White City Butcher
Ghost Volume 1: In the Smoke and Din
The Blue Ghost
Ghost/Batgirl #4