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.

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. Bennett, father of 10, is pulled into the fray.

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.

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.

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.

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.

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.

Since former Marine Jack Morgan started Private, it has become the world's most effective investigation firm--sought out by the famous and the powerful to discreetly handle their most intimate problems. Private's investigators are the smartest, the fastest, and the most technologically advanced in the world--and they always uncover the truth.

The Wolfs, the most powerful family in California, have a new head–36-year-old former high school teacher Jenny Wolf. That means Jenny now runs the prestigious San Francisco Tribune. She also controls the legendary pro football team, the Wolves. And she hopes to solve her father’s murder. The most suspenseful family story since Succession or Yellowstone.

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.

On the snow-covered slopes of Utah, the unthinkable has just become a nightmarish reality: thirty Secret Service agents have been viciously executed and the vacationing president of the United States kidnapped by one of the most lethal terrorist organizations in the Middle East - the Fatah Revolutionary Council. But surviving agent and ex-Navy SEAL Scot Harvath doesn't believe the Fatah Revolutionary Council is responsible for the attack.

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.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

The doors of the Inn at Gloucester are always open to anyone running from trouble or hiding from life. Its owner, former Boston police detective Bill Robinson, welcomes them with no questions asked. Until two strangers arrive for a temporary stay and a longtime resident starts looking over his shoulders. There’s another newcomer in town who puts the Inn under surveillance. When the surveillance turns into a series of attacks. Robinson launches an all-out fight to defend his town, his chosen family, and his home.