Copyright 2008 Michael Mignola and printed in Canada per indicia.
"Number 44 in a Series" per title page. The next B.P.R.D. publication ("Number 45") is B.P.R.D.: The Ectoplasmic Man (Dark Horse, 2008 series) #[nn] (June 2008). War on Frogs #2 is "Number 51" and dated December 2008.
The inside front cover has title, credits, and indicia with illustration.
Title from inside front cover. First lines of dialogue: "Hey, Abe. I just found that file we were talking about last week."