Three friends-- a former SWAT-team sniper turned park ranger, an FBI agent, and a crime scene analyst-- reunite and join with a beautiful forensic anthropologist to identify skeletal remains uncovered near Little Round Top in Gettysburg National Military Park. Their investigation causes them to become targets themselves.

Just days after marrying Sheriff Paul Davidson, Anna Pigeon moves to Colorado to assume her new post as district ranger at Rocky Mountain National Park.
When two of three children who'd gone missing from a religious retreat reappear, Anna's investigation brings her face-to-face with a paranoid sect—and with a villain so evil, he'll make the hairs on the back of your neck stand on end.

Park ranger Anna Pigeon probes the murder of fellow ranger Stacey Meyers in the Mesa Verde National Park. Meyers was investigating the sabotage of equipment used in installing a water pipe through ancient Indian grounds. The construction is opposed by many people.

Anna Pigeon takes a post as a temporary supervisory ranger on remote Garden Key in Dry Tortugas National Park, a group of tiny islands 70 miles off Key West, where a mysterious boat explosion -- and the discovery of unidentifiable body parts -- keeps her busy in a tangled web that was woven before she arrived and threatens her sanity and her life.

"A group of kids imagine all the duties and responsibilities of U.S. National Park Rangers"--

"An injured victim has disappeared... Can a park ranger and her K-9 find him? When search-and-rescue park ranger Autumn Mercer and her K-9 partner, Sherlock, meet a stranger in the mountains whose brother is injured, they drop everything to help. But all they find where Derek Peterson last saw his sibling is a trail of blood, and men who want them dead. With gunmen closing in, can Autumn and Derek survive long enough to save his brother?"--Back cover....

A kidnapping is only the beginning, will murder be next? Following her husband's suspicious death, Abigail Fox thinks fleeing to the remote Badlands in South Dakota will be safe until the mob abducts her four-year-old son, demanding she hand over incriminating evidence. Witnessing the attack, park ranger Micah Ellis steps in to help rescue the boy. But with the criminals anticipating their every move, they must find her late husband's hidden files...

"The Natchez Trace National Parkway stretches 444 miles from Nashville to Natchez, the oldest town on the Mississippi River. It's the perfect road for a relaxed pleasure drive. Unfortunately for park ranger Luke Fereday, lately it's being used to move drugs. Sent to Natchez to infiltrate the organization at the center of the drug ring, Luke arrives too late to a stakeout and discovers the body of his friend, park ranger John Danvers.John's daughter...

"Investigative Services Branch (ISB) ranger Ainsley Beaumont arrives in her hometown of Natchez, Mississippi, to investigate the murder of a three-months-pregnant teenager. While she wishes the visit was under better circumstances, she never imagined that she would become the killer's next target -- nor that she'd have to work alongside an old flame. After he almost killed a child, former FBI sniper Lincoln Steele couldn't bring himself to fire a...

"A raging forest fire isn't the only threat ... When an act of arson claims the life of a hiker, Yosemite Park Ranger Livy Chatham is the only witness--putting her right into the path of determined criminals. Only rock climber Hayden Bryant can protect her from the killers destroying all evidence of their crimes. But can Livy and Hayden outrun the danger that's as hot on their heels as the fires blazing through Yosemite?"--