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.

Dr. Brandt Savage is on sabbatical from the University of Chicago. Instead of doing solo fieldwork in anthropology, the gawky, bespectacled PhD finds himself enrolled in a school where he is the sole pupil. His professor, “Meed,” is demanding. She’s also his captor. Savage emerges from their intensive training sessions physically and mentally transformed, but with no idea why he’s been chosen, and how he’ll use his fearsome abilities. Then his first mission with Meed takes them back to her own training ground.

Everyone thinks Emmy Dockery is crazy. Obsessed with finding the link between hundreds of unsolved cases, Emmy has taken leave from her job as an FBI researcher. Now all she has are the newspaper clippings that wallpaper her bedroom, and her recurring nightmares of an all-consuming fire. Not even Emmy's ex-boyfriend, field agent Harrison "Books" Bookman, will believe her that hundreds of kidnappings, rapes, and murders are all connected.

The most revered detective in Paris puts his skills to the test in three thrilling cases from the creator of Alex Cross and Detective Michael Bennett.

On a cold January morning, Jack Morgan stands inside the New York Stock Exchange with his former US Marine comrade whose company is being launched onto the market, eagerly awaiting the opening bell. But before the bell rings, a bullet rips through the air and finds its mark.In the aftermath of the murder, the victim's wife hires Jack to find the killer. As the head of Private, Jack has at his disposal the world's largest investigation agency. What he discovers shakes him to his core. Jack identifies another murder in Moscow that appears to be linked.

US President Keegan Barrett has swept into office on his success as Director of the CIA. Six months into his first term, he devises a clandestine power grab with deadly consequences. Barrett personally orders CIA agents Liam Grey and Noa Himel to execute his plan, but their loyalties are divided. The CIA serves at the pleasure of the president, yet they’ve sworn to support and defend the Constitution of the United States against all enemies, foreign and domestic. When the threat comes directly from the Oval Office, that’s where the blowback begins.

On his first night with Detroit PD, Officer Walter O’Brien is called to a murder scene. A terrified 20-year-old has bludgeoned her kidnapper with skill that shocks even O’Brien’s veteran partner. The young woman is also a brilliant escape artist. Her bold flight from police custody makes the case impossible to solve - and, for Walter, even more impossible to forget. By the time Walter’s promoted to detective, his fascination with the missing, gray-eyed woman is approaching obsession.

Hollows Bend, New Hampshire, is a picture-perfect New England town where weekend tourists flock to see fall leaves and eat breakfast at the Stairway Diner. The crime rate—zero—is a point of pride for Sheriff Ellie Pritchett. The day the stranger shows up is when the trouble starts. The sheriff and her deputy investigate the mysterious teenage girl. None of the locals can place her. She can’t—or won’t—answer any questions. She won’t even tell them her name.

A wealthy businessman approaches Jack Morgan, head of Private—the world's largest investigation agency—with a desperate plea to track down his daughter and grandchildren, who have disappeared without a trace. What at first seems to be a simple missing persons case soon escalates into something much more deadly, when Jack discovers the daughter is being pursued by highly trained operatives. As Jack uncovers more of the woman's backstory, the trail leads towards Afghanistan—where Jack's career as a US Marine ended in catastrophe.

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.

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.

The Camel Club exists at the fringes of Washington, D.C., has no power, and consists solely of four eccentric members whom society has forgotten. One man leads this ragtag crew. He has no known past and has taken the name "Oliver Stone." Day and night, Stone and his friends study wild conspiracy theories and the machinations of government, hoping to discover some truth that will hold America's leaders accountable to its citizens. Here are three stories featuring the Camel Club.

Two years ago Jack Morgan - the head of the renowned worldwide investigation firm Private - was in charge of security for the World Cup. During the championship match, the action nearly spilled from the field into the stands. Fortunately, Jack and his Private team averted disaster on soccer's biggest stage. Now he has returned to Rio to secure the Olympics. But before the torch is lit, the threats come fast and furious when Jack discovers that someone in Brazil will stop at nothing to sabotage the games.

Stafford Lee Penney is a small-town lawyer with a big-time reputation for winning every case he tries. In his sharp suits and polished Oxford shoes, Penney is Biloxi, Mississippi’s #1 Lawyer and top local celebrity. Just as Penney notches his latest courtroom victory, his wife is scandalously killed. He spirals into a legal and personal losing streak, damaging his reputation and ruining his career. That’s when Penney makes a bold decision. He stops trading on his power-lawyer identity and creates a new one: lawyer lifeguard.

In this startling psychological thriller, a killer is targeting young women in New York City and is obsessed with Michael Bennett's daughter.