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.

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.

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.

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.