The girl in the black raincoat

Garrett P.I. is a series of fantasy novels by American writer Glen Cook about Garrett, a freelance private investigator. The novels are written in a hard-boiled detective fiction style, with elements of traditional mystery and dialogue-based humor. Garrett, during his adventures in his home city of TunFaire and across Karenta and the Cantard, has to deal with elves, vampires, centaurs, trolls, and numerous mixed breeds, along with gods, wizards, witches and more. Unlike most fantasy series, the Garrett P.I. novels focus more on the detective aspects of the story and less on the magical.