Grease Monkey is a comic book created by Tim Eldred. There were two issues published in color by Kitchen Sink Press in 1996, then Image Comics reprinted the first four stories in black and white in 1998. Currently Tor Books has released in book form: the first six stories, with previously unpublished material, and three vignettes. A second book, A Tale of Two Species, was published on the internet in 19 chapters, approximately monthly, starting in October 2007. Both volumes depict life aboard the military space station Fist of Earth, or adjacent smaller spaceships.