Books like This dog for hire by Carol Lea Benjamin

"Private investigator Lydia Chin has lived in New York City's Chinatown all her life. But even to those born and raised in this city-within-a-city, where the power structure is often based on perceptions and shifting alliances, the complex interactions of Chinatown can be elusive.". "The Chinese Restaurant Workers' Union - a new, unaligned, and untried union - is making waves in Chinatown by trying to organized the restaurant workers, challenge the powerful restaurant owners, and shift the balance of power. When four restaurant workers, one of them a union organizer, disappear with no known reason and without a trace, the union's lawyer reluctantly hires Lydia Chin to find the missing men. With her sometimes-partner Bill Smith, Lydia soon discovers that she is not the only one looking for them. Approached by all sides and alternately pressured to drop the case and to solve it quickly, Lydia finds herself in the middle of a mysterious conflict between two powerful Chinatown rivals, the New York City police, a struggling union, and a shadowy pair of federal agents. And four missing men, possessing a deadly secret, whose very lives hang in the balance."--BOOK JACKET.

Private investigators Bill Smith and Lydia Chin dig into a guard’s murder at a Bronx retirement home, exposing hidden corruption and deceit.

A teacher with epilepsy struggles without her service dog Blanche, but a cloning scheme goes awry, leading to a mysterious disappearance and a deadly investigation led by private investigator Rachel Alexander and her pit‑bull partner Dash.

When therapy dog Lady vanishes and the owner of Harbor View is killed, pit bull detective Dash and her owner Rachel Alexander team up to uncover a sinister crime and protect the vulnerable residents of the Greenwich Village home.

Rachel Alexander, a seasoned New York private investigator, takes on the murder of wealthy businessman Gardner Redstone and must disguise herself as a homeless woman to uncover the truth among the city’s most marginalized.

Private investigator Rachel Alexander and her pit bull Dashiell tackle a grim New York mystery where a vanished wife’s daughter, suddenly mute, may have killed her neurologist mother’s doctor.