Riley Bishop is a single mother, working at home as a graphic designer to provide for her two children, Sadie and Oliver. But something is very wrong. Riley starts forgetting things—like appointments, where she put her keys, and where she parked her car. And then she thinks she sees her deceased ex-husband while out shopping. But as Riley begins to question her own sanity, her twelve-year-old Sadie goes missing. Soon Riley finds it harder and harder to know what is truth and what are lies as she is forced to question her own reality while she searches for her daughter.

Former Special Forces operator Sergeant Crew Gatlin takes everything in stride, even the career-ending incident that separated him from the army, half a leg, and his beloved working dog, Havoc K027. Putting his life back together and lying low, he takes a job with A Breed Apart and is unexpectedly reunited with Havoc. It’s too good to be true—and the proof is in their first assignment: to work as a K-9 team for a television drama in Los Angeles.

Suspicious of his friend’s fatal accident, ski patroller Graham McAllister is determined to unearth the truth when his friend’s long-missing sister suddenly appears…with gunmen in pursuit. Now it’s up to Graham and his K-9, Emmy, to keep Layla Quin safe as they survive the brutal mountain elements and outrun the criminals trying to silence them. Because Layla has a secret that could expose a shocking link to her brother’s death, and revealing it may come with a deadly price.

K-9 officer Tarren McGregor never imagined that a cartel would find its way to Texas’s South Padre Island—or target his best friend’s sister. But when Julia Hamilton witnesses and prevents the kidnapping of a teen girl, Tarren knows that trouble is soon to follow. Because Julia didn’t just protect the girl—she saw the abductor’s face. Now she’s marked for murder, and it’s up to Tarren and his K-9 partner to keep Julia safe from the human traffickers in pursuit…even if it means putting themselves in the line of fire.

When patrol officer Trisha McCord's six-month-old son is nearly abducted, K-9 officer West Cole saves him just in time. The single mom has no leads on who would try to take her baby—or why. And West won’t let her deal with the threat on her own, especially with the kidnapper closing in and attacks escalating. With her child’s life at stake, Trisha, West and his K-9, Peanut, must race to catch a ruthless criminal in time to save innocent lives—including their own.

DEA Agent Doug Bridges is angry to realize his stepsister has been kidnapped after her night shift at the hospital. He goes into full agent mode to investigate, but soon runs into dead ends. Winter in northern Wyoming is no joke and he needs help, fast. When he’s referred to the Sullivan K-9 Search and Rescue team, he convinces Maya Sullivan and her Siberian Husky Zion to help him find Emily.

After a betrayal that almost took his life, Detective Joel Standage is deskbound. A new assignment is his chance to find out if he still has what it takes to be a cop. His mission? Get close to Mollie Crane, a woman who’s as guarded—and wounded—as he is. Her service dog, Magnus, trusts Joel before she does. When it becomes clear that his interest in her crime boss ex-husband is putting her in danger, what started as a case becomes personal, and Joel will do whatever it takes to protect her…

Meet Jack, a tracker with a past he’s trying to escape. The first epic book of the Minnesota Kingston series by USA Today bestselling author Susan May Warren. Her secret blew apart his life—and now she needs his help? If only he could say no… Ten years should be long enough for Jack to forget the girl-next-door, his kid sister’s bestie and the woman—no, girl—who derailed his life. Now, he sort of likes his loner world as a missing person’s tracker. Well, mostly. But of course, when he returns home for his sister’s wedding, there she is… Nope, not forgotten at all.

Rookie firefighter Emily Micah is determined to prove herself as a new recruit to the elite Jude County Hotshots wildfire team. Assigned to the film set of The Drifters, Emily's mission is to protect the cast and crew from the special effects that could ignite the tinder-dry Montana forest and start a wildfire.

Racing into a burning cabin to search for survivors, firefighter Diana Cameron stumbles upon an unconscious child—and two bodies with bullet wounds. When a sniper targets their narrow escape, Diana has no choice but to team up with bodyguard Chase Mitchell to keep the little girl safe. Uncovering the identity of the murder victims is the only way to find the killer. But as they’re chased by gunmen into the mountain wilderness, can they protect a tiny witness from the unknown…when the truth is more sinister than they imagined?

US Marshal John Mason gains full custody of his son and is transferred to Sanctuary, a witness protection town that isn't on any map. When the town's first-ever murder occurs, John's plans to reconnect with his boy are derailed by the investigation. Andra Caleri gave up her old life a long time ago, but someone wants her out of Sanctuary--to pay. As accusations fly and John uncovers a conspiracy that stretches all the way to Washington, Andra's past comes back in a true test of the mercy she received. Can John give up what he wants the most to bring the truth to light?

When Lacey Gibson’s daughter disappears, she’ll do anything to find her—even track down a man she hasn’t seen in sixteen years. U.S. Marshall Mason Stone had no idea he was a father, but when he discovers his daughter is missing, the news shakes his carefully controlled world. In a race against the clock, can Lacey and Mason work together to find their child… before danger finds them?

When Mia Blackburn returns to Shadow Lake to inherit her uncle’s property, she doesn’t expect a threatening warning before she even reaches the rustic resort. And when a fire traps her in the burning barn that very day, she fears she won’t get out alive. Just in time, Ryan Maddox, her ex-boyfriend and Shadow Lake Survival owner, rescues her from the deadly blaze. She’s thankful for his rescue, but after their tumultuous breakup, he’s the last person she wants to see.

Former Special Forces Operative Bradyn Hunt may have traded a battlefield for his family ranch in Texas, but that doesn’t mean he stopped fighting. As the founder of Hunt Brother's Search and Rescue, he and his team take on missing persons cases that no one else can solve. They’ve retrieved people from the very depths of hell-on-earth, which has left him with his fair share of scars.

This collection includes Survival, Hunted, and Frequency. Survival: When one of the men in charge of storing food for the town of Shadow Ridge is found murdered execution style, it's up to Jace McQuaid to find the killer. Hunted: Levi McQuaid searches for the sister of an old friend, Ava Solomon, but the situation takes a deadly turn when the search leads them on a dangerous trek across the west Texas desert. Frequency: Four deaths, likely tied to arsenic-tainted water, leave the town of Shadow Ridge frantic for answers. But that isn't the only nightmare Tess McQuaid is facing.