Editing Dirk Gently's Holistic Detective Agency (section)

===Comic book===
Cartoonist Ray Friesen made an unlicensed comic adaptation of the first novel for a book report. A few years later, in 2004, he posted 18 pages of it online as a [[webcomic]].<ref>{{cite web |author=Ray Friesen|title=Comic book adaptation of ''Dirk Gently's Holistic Detective Agency''.|url=http://www.dirk-gently.com/ |archive-url=https://web.archive.org/web/20040410080252/http://www.dirk-gently.com/ |archive-date=10 April 2004 }}</ref>

[[IDW Entertainment]] and Ideate Media have adapted ''Dirk Gently'' into a limited comic book series and, later, an American television series for [[BBC America]]. The comic series premiered in May 2015.<ref>{{cite web | url =  http://www.bleedingcool.com/2014/08/04/idw-to-create-us-tv-and-comic-book-adaptations-of-douglas-adams-dirk-gentlys-detective-agency/ |  title = IDW To Create US TV And Comic Book Adaptations of Douglas Adams' Dirk Gently's Detective Agency | publisher = [[Bleeding Cool News]] | date = 4 August 2014 | access-date = 4 August 2014 | first = Rich | last = Johnson }}</ref><ref>{{cite news | url = http://www.avclub.com/article/max-landis-turning-douglas-adams-dirk-gently-books-207748 | title = Max Landis is turning Douglas Adams' Dirk Gently books into a TV series | newspaper = [[The A.V. Club]] | date = 4 August 2014 | access-date = 5 August 2014 | first = William | last = Hughes }}</ref><ref>{{cite web | url=http://www.idwpublishing.com/product/dirk-gentlys-holistic-detective-agency-1/ | title = IDW Publishing page for DIRK GENTLY'S HOLISTIC DETECTIVE AGENCY #1 | publisher = [[IDW Publishing]] | date = May 2015 | access-date = 29 August 2015}}</ref>