Ed McBain's 87th Precinct: Heatwave (1997)

A scorching summer grips the city as detectives from the 87th Precinct delve into a series of brutal rapes and an enigmatic murder that seems unrelated. The victims are targeted by a repeat offender who eluded capture previously. Detective Eileen Burke, collaborating with her colleagues Carella, Meyer, and Brown, takes on an undercover role, posing as a prior victim to draw out the elusive rapist. Tensions rise when her boyfriend, Detective Kling, voices his discontent over her dangerous mission, adding personal stakes to an already tense investigation.