B.P.R.D Vol. 7: Garden of Souls (Dark Horse, 2008)

In the wake of the Second World War, Professor Trevor Bruttenholm occult investigator and guardian of the infant Hellboy founded the Bureau for Paranormal Research and Defense to investigate and defuse the remains of the Axis's sophisticated occult-warfare projects and potential Soviet threats. Now, with the help of a handful of war-weary American soldiers and their erstwhile Soviet allies, Bruttenholm unravels the mystery of the Nazi Occult Bureau's greatest and most threatening initiative: Project Vampir Sturm. Collects B.P.R.D.: 1946 #1-#5.