Alex Cross is a homicide detective with a Ph.D. in psychology. He works and lives in Southeast D.C. and looks like Muhammad Ali in his prime. He's a tough guy from a tough part of town who wears Harris Tweed jackets and likes to relax by banging out Gershwin tunes on his baby grand piano. But he also has two adorable kids of his own, and they are his own special vulnerabilities.

For Hannah Shapiro, a young American student, the nightmare began eight years ago in Los Angeles, when the owner of Private--the world's most exclusive detective agency--saved her from a horrific death. Now, after eight years, the terror follows her to London. The only man who can help is former Royal Military Police Sergeant Dan Carter, head of Private London.

When Jack Morgan opens the Mumbai branch of Private, the world's most elite detective agency, he hands the reins to top agent Santosh Wagh. Now, in this teeming metropolis of over 13 million people where the guilty have everywhere to hide, Santosh goes on the hunt for one elusive killer. A killer who is targeting seemingly unconnected women and placing strange objects at their death scenes in a series of chilling rituals.

Thom and Jennifer Harlow are the perfect couple, with three perfect children. They maybe two of the biggest mega movie stars in the world, but they're also great parents, philanthropists, and just all-around good people. When they disappear without a word from their ranch, facts are hard to find. They live behind such a high wall of security and image control that even world-renowned Private Investigator Jack Morgan can't get to the truth.

In The Coldest Case: A Black Book Audio Drama, homicide detective Billy Harney sends his new partner, Kate, deep undercover in a notorious Chicago drug ring. When several members of the ring soon turn up dead, Billy abruptly pulls Kate out, blowing her cover. Kate’s informant inside the gang quickly disappears. As does the ring’s black book.... When Billy can’t find the informant, he wonders if Kate is secretly harboring her, since the two grew close during Kate's weeks undercover.

Along Came a Spider killer Gary Soneji has been dead for over 10 years. Alex Cross watched him die. But today Cross saw him gun down his partner. Is Soneji alive? A ghost? Or something even more sinister? Nothing will prepare you for the wicked truth.

Hired to protect a visiting American woman, Private Johannesburg's Joey Montague is hoping for a routine job looking after a nervous tourist. After the apparent suicide of his business partner, he can't handle much more. But this case is not what it seems - and neither is his partner's death.

Imagine a killer who thinks, "What is the worst thing anyone has ever done?"—and then goes far beyond it. Now imagine four women—a police detective, an assistant DA, a reporter, and a medical examiner—who join forces as they sidestep their bosses to track down criminals. Known as the Women's Murder Club, they are pursuing a murderer whose twisted imagination has stunned an entire city. Their chief suspect is a socially prominent writer, but the men in charge won't touch him. On the trail of the most terrifying and unexpected killer ever, they discover a shocking surprise.

NYPD Detective Michael Bennett is about to take on the most sinister challenge of his career. The nation has fallen into mourning after the unexpected death of a beloved former first lady, and the most powerful people in the world gather in New York for her funeral. Then the inconceivable occurs. Billionaires, politicians, and superstars of every kind are suddenly trapped within one man's brilliant and cold-blooded scenario.

Las Vegas is a city of contradictions: seedy and glamorous, secretive and wild, Vegas attracts people of all kinds - especially those with a secret to hide, or a life to leave behind. It's the perfect location for Lester Olsen's lucrative business. He gets to treat gorgeous, young women to five-star restaurants, splashy shows, and limo rides - and then he teaches them how to kill. Private Jack Morgan spends most of his time in Los Angeles, where his top investigation firm has its headquarters.