Could a deep and dark secret be behind the sniper-style killing of a sheriff’s office captain, or is it simply the work of a madman with a rifle? Whatever the case, the killer is taunting the cops with a mysterious message, and police sniper London Carter is determined to decipher the message and capture the murderer. Will London solve the mystery in time, or will more officers die before he can bring the killer to justice?

If you love mysteries with action, suspense and a touch of humor and romance, then the David Wolf series is for you.

Danger lurks in the sleepy little town of Marathon, in the middle of the Florida Keys, as well as in the swamps of the Everglades. But danger doesn't expect to run into a man like Jesse. A man who will not only respond swiftly in facing it, but with a vengeance unexpected.

When a local businessman’s arm is found in the jowls of a large alligator, Clint Wolf and Susan Wilson investigate to find out how it got there. They quickly discover that the man was murdered, but thanks to a secret force working against them, solving the case will be no easy task. A new dog comes into Clint’s life, and not only does it bring him hope after having lost his wife and daughter two years earlier, but it proves to be quite the guard dog when a dangerous stranger comes sneaking around.

The ancient Indian art of tracking is his greatest strength...and also his biggest weakness. Fish and wildlife state trooper Gabriel Hawke believes he’s chasing poachers. However, he comes upon a wildlife biologist standing over a body that is wearing a wolf-tracking collar. He uses master tracker skills taught to him by his Nez Perce grandfather to follow clues on the mountain. Paper trails and the whisper of rumors in the rural community where he works draws Hawke to a conclusion that he finds bitter.

After a series of tragedies turned her world upside down, FBI Agent Spenser Song felt like a woman adrift in a sea of chaos. Her brush with death and the tragic murder of her husband left her questioning everything in her life. And when it became clear that Bureau politics will trump justice, Spenser realized she needed a fresh start.

When 22-year-old Candy goes missing on a popular hiking trail, suspicion falls on her recently paroled ex-boyfriend. It was Candy's testimony that got him put away...and now he's after revenge. The ensuing manhunt leads Savage and his team into the unforgiving Colorado mountains, where avoiding the wild animals are the least of their worries. Just when they think they've got their man, a new development spins the case on its head. Who was Candy really running from? And are they still after her?

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.

Investigator Sloan McPherson finds a frightened vagrant suffering from amnesia living in a Florida swamp—then learns he disappeared from Oregon when he was a teenager. To find out how he ended up three thousand miles from home thirty years later, Sloan enlists the help of two brilliant colleagues. FBI agent Jessica Blackwood and scientist Theo Cray have already made an alarming connection. A female classmate of the Everglades drifter disappeared at the same time, and their high school journals reveal ties to an enigmatic figure they both called Mr. Whisper.

Evan Smoak is a man with skills, resources, and a personal mission to help those with nowhere else to turn. He’s also a man with a dangerous past. Chosen as a child, he was raised and trained as an Orphan, an off-the-books black box program designed to create the perfect deniable intelligence asset: An assassin. Evan was Orphan X - until he broke with the program and used everything he learned to disappear. But now someone is on his tail.