Star Trek: Year Four is the first of two Star Trek comic book mini-series released by IDW Publishing

IDW Publishing

IDW Publishing, also known as Idea + Design Works, LLC and IDW, is an American publisher of comic books and comic strip collections. The company was founded in 1999 and has been awarded the title "Publisher of the Year Under 5% Market Share" for the years 2004, 2005 and 2006 by Diamond Comic...

. The first issue was released on July 26th, 2007 with a cover price of $3.99. It featured three variant covers. The series picked up where the original television series left off and told stories set in the fourth year of the original five year mission.

A follow up mini-series was titled "The Enterprise Experiment", and was written by D.C. Fontana and Derek Chester. Gordon Purcell

Gordon Purcell

Gordon Purcell is an American comic book artist, perhaps best known for his Star Trek work, in particular his photorealistic renditions of the actors who play that franchise’s characters, as well as those of similarly licensed books, such as X-Files, Xena, Lost in Space, Godzilla, The Young...

handled the pencilling chores. The series was a sequel to "The Enterprise Experiment" and "Errand of Mercy".