Galactic Derelict is a science fiction novel by American writer Andre Norton, the second in her Time Traders series. It is part of Norton's Forerunner universe. Galactic Derelict continues the series' premise, an encounter between Western heroes and a mysterious alien race that has used time travel to alter Earth. This novel shifts between present day and the time of Folsom Man, some 10,000 years ago. Kirkus Reviews comments for this novel "Andre Norton has no peer in his (sic) chosen field of science fiction for teenagers... [here] there's a hint of racial antagonism." (The novel has pointed comments about racism against American Indians.)