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.

Popular wine country local Nancy vanishes from her property while hosting a wedding. Dozens of workers and guests are all suspects. But it will take months, sleuth detective work, and new technology to finally find the elusive culprit.

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.

Melissa wakes to find her husband was shot in the head beside her while she and two others in the house slept. No one heard or saw anything. The investigation soon illuminates a dark past of partying, parental feud, and dangerous obsession.