Crooked Little Vein is the first novel by established comic book writer Warren Ellis, published by William Morrow on July 24, 2007. The novel is written in the first-person, similar to much of the hardboiled detective genre. The book was based on research material posted on Ellis' websites, mostly odd news items and disturbing pictures from the web that the author had found or had been sent. The novel has been translated into Spanish, German, French, Czech, and Italian.