"The Book Case" is a story that features Nelson DeMille's most famous (and successful) character, Detective John Corey, who has appeared in six DeMille novels: Plum Island, The Lion's Game, Night Fall, Wild Fire, and The Lion. In this story, we see John Corey in his early years as an NYPD Detective, before he became involved with the Federal Anti-Terrorist Task Force.

When Captain Kyle Mercer of the Army’s elite Delta Force disappeared from his post in Afghanistan, a video released by his Taliban captors made international headlines. But circumstances were murky: Did Mercer desert before he was captured? Then a second video sent to Mercer’s Army commanders leaves no doubt: The trained assassin and keeper of classified Army intelligence has disappeared.

Captain Ann Campbell is a West Point graduate, the daughter of legendary General "Fighting Joe" Campbell. She is the pride of Fort Hadley until, one morning, her body is found, naked and bound, on the firing range.

Welcome to the fabled Gold Coast, that stretch on the North Shore of Long Island that once held the greatest concentration of wealth and power in America. Here two men are destined for an explosive collision: John Sutter, Wall Street lawyer, holding fast to a fading aristocratic legacy; and Frank Bellarosa, the Mafia don who seizes his piece of the staid and unprepared Gold Coast like a latter-day barbarian chief and draws Sutter and his regally beautiful wife, Susan, into his violent world.

Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.