Blood Shot (marketed under the title Toxic Shock in the United Kingdom), published in New York in 1988, is the fifth in a series of novels by Sara Paretsky featuring her character V. I. Warshawski, a hard-boiled female private investigator.

Warshawski isn't crazy about going back to her old South Chicago neighborhood, but she's never been a woman who breaks a promise.

What ought to have been a routine missing-persons case rapidly turns up a homicide; and Warshawski must battle corrupt local politicians and businessmen, who do all they can to derail her investigation.

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