Police are celebrating Detective Wolfsbourne with a special edition of Detective Comics 1000.
The book was published in February, when the series was only available as a digital download.
In the book, Wolfsbaume investigates the case of a man who was murdered by his wife and then later killed himself.
The series has a special focus on detectives and their ability to find evidence that leads to the identification of a person or persons of interest.
“Detective Wolfsbabe” is the latest in a line of detective series from a range of publishers including Dynamite Entertainment, Tor Books and Random House.
The latest title in the series is Detective Wolf of the South and Detective Wolf in the North, set for release in the autumn.
The second series, Detective Wolf at the North Pole, will be published in November.
Detective Comics 1000 was first published in 2011.