Harlan Coben's Final Twist

When police find a couple murdered in their home, the investigation leads to social media; detectives discover a bizarre cyberbullying conflict with a neighboring family and the possible covert involvement of a CIA agent driven by personal vengeance.

When Anna Mae, a wildly successful businesswoman, is found stabbed in her untouched home, detectives face a tangle of suspects and shifting motives.

When a woman vanishes from her property while hosting a wedding, dozens of workers and guests are all suspects.

Joy Hibbs' husband and two children are devastated when they learn she died following a fire; they would later discover that the fire had not been the cause of her death -- police instead found Hibbs had been stabbed multiple times.

At dawn, Melissa Oxley wakes up for work and finds herself in a nightmare -- her husband has been shot in the head while sleeping beside her.