Allison Brennan is an American suspense and crime author known for fast-paced thrillers built around trauma, secrets, investigation, and emotional danger. Her best-known work includes the Lucy Kincaid series, which follows a survivor whose path leads into FBI work, and... the Quinn & Costa thrillers, centered on detective Kara Quinn and FBI agent Matt Costa. Brennan has also written the Max Revere novels, Angelhart Investigations, Regan Merritt mysteries, standalones, and earlier romantic suspense, giving her bibliography a broad but closely related crime-fiction range. Across her work, she is known for strong recurring protagonists, family bonds under pressure, dark cases, and plots where buried truths continue to threaten the present. Readers return to Brennan for momentum, suspense, and emotionally charged investigations.
