A prank at Camp Horseshoe one summer intended to scare a fellow counselor left two girls missing and one presumed drowned. Two decades later, detective Lucas Dalton, whose father ran the camp and who worked there that summer, investigates human remains found in a cavern and has jeopardized his career by removing evidence. Five former counselors return, each with secrets, and start receiving notes bearing a personal memento and the message You will pay, then murders begin.

The Cahills are a wealthy San Francisco family with twisted secrets. Marla Cahill wakes from a coma after a highway crash with no memory and a reconstructed face while another woman died. Her family calls her Marla, but they are strangers as she recuperates in an isolated mansion and grows increasingly certain she is not who they say and that her life is in danger.

Sisters Cassie and Allie leave Oregon to pursue acting in Los Angeles, but Allie becomes a star while Cassie remains stuck in bit parts. When Allie's body double is shot and Allie goes missing, police trace a last call to Cassie though she has no memory of placing it, and she is confined to a Portland psych ward amid public suspicion. Cassie checks out to find Allie, but macabre murders that mimic her family make her doubt everyone and herself.

A Harvard symbologist awakens in a Florentine hospital with no memory and finds himself thrust into a frantic international chase after a reclusive scientist obsessed with Dante, following a trail of art, architecture and cryptic puzzles drawn from the Divine Comedy; aided by a young physician, he races through Florence, Venice and Istanbul to decipher clues and stop a plot to release a bioengineered agent intended to address catastrophic population growth, all while confronting fraught ethical questions about sacrifice, security and the value of human life.

Emily Brand, a physicist, makes a major energy discovery and then disappears. Her research partner dies in a plane crash and a brutally ambitious oil executive, David Lucci, uses NARCON to prevent her from going public. He resorts to torture, blackmail, and murder to make her pay for what she did to him over twenty years ago.

A media colossus is set to form in a merger between Lawrence/Sunshine Productions and MacGregor Communications. A breathless cross-country pursuit from Maine's rocky coast to Hollywood's glitter palaces brings James Whiting, who is already fighting for his life, together with Jeanne Darrow, a young widow dangerously close to a secret that kills. Their discovery of the unholy union between the two entertainment giants could save the soul of a nation but will require one final, unthinkable sacrifice.

Elizabeth Lange arrives at a spa in Pebble Beach, California, still grieving her sister Leila, who plunged to her death from her Manhattan penthouse. Dashing millionaire Ted Winters stands accused of murder, but Elizabeth doubts his guilt and sets out to uncover the truth. Along the windswept cliffs of the Monterey coast and among luxurious bungalows, uneasiness stalks her as glimpses of Leila's life and of Elizabeth herself begin to surface. An ominous threat from an unexpected source builds around her.

A high-stakes techno-thriller in which a clandestine U.S. intelligence vessel is seized by hostile forces, triggering a tense race by intelligence operatives and special-operations teams to unravel a wider conspiracy, reclaim the ship, and avert an international crisis; the novel blends political intrigue, espionage, and high-technology action as the protagonists confront betrayal, shifting alliances, and the dangerous consequences of modern surveillance warfare.