Heat Wave (Nikki Heat) by Castle, Richard (2009) Hardcover

NYPD Homicide Detective Nikki Heat feels sparks from ride-along, journalist Jameson Rook. A real estate tycoon plunges to his death. A trophy wife with a past survives a brazen attack. Mobsters and moguls with motives all have alibis. Dirty little secrets of the wealthy hide until Nikki shines a light.