When it comes to writing, Robert B. Parker knows no boundaries. From the iconic Spenser detective series and the novels featuring Sunny Randall and Jesse Stone, to the groundbreaking historical novel Double Play, Parker's imagination has taken readers from Boston to Brooklyn and back again. In Appaloosa, fans are taken on another trip, to the untamed territories of the West during the 1800s.

It is the winter of 1879, and Dodge city has lost its snap. Thirty-one-year-old Wyatt Earp, assistant city marshal, loads his wife and all they own into a wagon, and goes with two of his brothers and their women to Tombstone, Arizona, land of the silver mines. There Earp becomes deputy sheriff, meeting up with the likes of Doc Holliday, Clay Allison and Bat Masterson as well as finding the love of his life, showgirl Josie Marcus.

Hired by a wealthy family to locate their teenage daughter, Sunny Randall, a former cop turned Boston P.I., soon finds herself the bodyguard for a difficult teenager who refuses to return to her family. But before long, Sunny is facing greater problems than she ever imagined including a criminal conspiracy that reaches to the top of the state government.

Holt’s latest job is in Devil’s Gulch in Colorado Territory. But wiping out bands of bank robbers is just the beginning. More disorder is brewing, and the skittish mayor has handpicked Holt as the new sheriff. Holt is what the town needs: a mercenary with a badge, a loaded Remington, and a deadeye-aim for trouble. Devil’s Gulch has the vigilance committee. The man behind it—Joe Mullen, the largest rancher and mine owner in the valley—isn’t keen on an outsider like Holt muscling in on a good thing. Mullen already has his hand in all the crime in Devil’s Gulch.

Once, Frank Morgan had a wife and a future on the land - until a rich man with a grudge drove him out of Colorado. Since then, Morgan's taken up the one skill that always came easy - gunfighting - and drifted to a mining town in the New Mexico Territory. But there's nothing easy about two vicious gangs descending on the town and threatening to wreak havoc. With his reputation preceding him, Morgan is elected to stand in the outlaws' way. And with nothing left to lose, he's the last man who will ever back down....

Former NYPD detective Charlie "Bird" Parker is on the verge of madness. Tortured by the unsolved slayings of his wife and young daughter, he is a man consumed by guilt, regret, and the desire for revenge. When his former partner asks him to track down a missing girl, Parker finds himself drawn into a world beyond his imagining - one where 30 year old killings remain shrouded in fear and lies, a world where the ghosts of the dead torment the living....

Deadwood, South Dakota. Miners flock there seeking fortunes, while cardsharps, bandits, and businessmen seek to deprive those who strike gold by means fair and foul. Legendary former lawman Seth Bullock plans to keep the peace by any means necessary—especially when his good friend, President Theodore Roosevelt, is expected in town to celebrate the anniversary of Deadwood's founding.

One of the deadliest, crime-infested towns in Colorado Territory, Devil's Gulch needed more than a sheriff. They needed a gunslinger. So they pinned a badge on hardcase lawman John Holt. And the rest is history. As the town's new sheriff, John Holt achieved the impossible: He drove the devil out of Devil's Gulch. Corrupt, cutthroat rancher Joe Mullen—who ruled the land with an iron fist—is finally behind bars, thanks to Sheriff Holt. But the tables are turned when Mullen manages to overturn his prison wagon and make his escape—with an army of prisoners, outlaws, and lowlifes to do his bidding.

After years of war, Army Ranger Quinn Colson returns home to the rugged, rough hill country of northeast Mississippi to find his native Tibbehah County overrun with corruption, decay, meth runners, and violence. His uncle, the longtime county sheriff, is dead. A suicide, he’s told, but others - like tomboy Deputy Lillie Virgil - whisper murder. In the days that follow, it’s up to Colson to discover the truth, not only about his uncle, but about his family, his friends, his town, and himself.

He's the son of a cattle rancher. A restless young dreamer who, under normal circumstances, would follow in his father's footsteps. Normal, however, is not his style. Like his famous grandfather and namesake Perley Gates - a hell-raising mountain man with a heavenly name - young Perley wants adventure, excitement, and freedom. And like his grandfather before him, he will find his dream - in the untamed wilds of a lawless frontier. That dream though might just become a nightmare....

Zachary Quinto - best known for his role as the Nimoy-approved Spock in the recent Star Trek reboot and the menacing, power-stealing serial killer, Sylar, in Heroes - brings his well-earned sci-fi credentials and simmering intensity to this audio-exclusive novella from master storyteller John Scalzi. One day, not long from now, it becomes almost impossible to murder anyone - 999 times out of a thousand, anyone who is intentionally killed comes back. How? We don't know.

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.

Ex-military policeman Jack Reacher is a drifter. He’s just passing through Margrave, Georgia, and in less than an hour, he’s arrested for murder. Not much of a welcome. All Reacher knows is that he didn’t kill anybody. At least not here. Not lately. But he doesn’t stand a chance of convincing anyone. Not in Margrave, Georgia. Not a chance in hell.

For maverick LAPD homicide detective Harry Bosch, the body in the drainpipe at Mulholland Dam is more than another anonymous statistic. This one is personal...because the murdered man was a fellow Vietnam "tunnel rat" who had fought side by side with him in a hellish underground war. Now Bosch is about to relive the horror of Nam. From a dangerous maze of blind alleys to a daring criminal heist beneath the city, his survival instincts will once again be tested to their limit.

Before he was considered a CIA superagent, before he was thought of as a terrorist's worst nightmare, and before he was both loathed and admired by the politicians on Capitol Hill, Mitch Rapp was a gifted college athlete without a care in the world...and then tragedy struck.