Struggling through early sobriety when his AA sponsor is murdered, police officer Cody Hoyt follows clues that point to a Yellowstone National Park guide who is leading Hoyt's son and other tourists into the wilderness.

In this breathtaking suspense novel by Nevada Barr, park ranger Anna Pigeon is faced with a sinister mystery that threatens the visitors of Mesa Verde. As a strange and deadly disease spreads through the park, Anna must unravel the source and put an end to the evil wind that carries it.
With gripping twists and turns, Ill Wind transports readers to the atmospheric landscape of Mesa Verde, immersing them in the heart-pounding action...

Just two months into his presidency, Ronald Reagan lay near death after a gunman's bullet came within inches of his heart. His recovery was nothing short of remarkable -- or so it seemed. But Reagan was grievously injured, forcing him to encounter a challenge that few men ever face. Could he silently overcome his traumatic experience while at the same time carrying out the duties of the most powerful man in the world? Killing Reagan reaches back to...

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

Budding naturalists Lucy, Benjamin, and Gabe camp in the Gila National Forest in New Mexico, and travel to White Sands National Monument and Carlsbad Caverns, exploring their environment and becoming Junior Rangers along the way.

"In Thousand-Miler : Adventures Hiking the Ice Age Trail, readers will learn about the history and development of Wisconsin's Ice Age National Scenic Trail and the geologic wonders it showcases, as they trace Melanie McManus's footsteps thru-hiking it twice. While sharing her story of what it was like to hike 1,100 miles of Wisconsin forestland, prairie, wetlands and farmland, McManus also shares the stories of thru-hikers she encounters along the...

"For Sierra Jones, Sullivan's Crossing is meant to be a brief stopover. She's put her troubled past behind her but the path forward isn't yet clear. A visit with her big brother Cal and his new bride, Maggie, seems to be the best option to help her get back on her feet. Not wanting to burden or depend on anyone, Sierra is surprised to find the Crossing offers so much more than a place to rest her head. Cal and Maggie welcome her into their busy lives...

"It was world-famous sculptor Gutzon Borglum's dream to carve sixty-foot-high likenesses of four presidents on a granite cliff in South Dakota. Does that sound like a wacky idea? Many at the time thought so. Borglum faced a lot of opposition and problems at every turn; the blasting and carving carried out through the years of the Great Depression when funding for anything was hard to come by. Yet Mount Rushmore now draws almost three million visitors...

A daring kidnapping turns a children's birthday party at Camp David into a national security nightmare, pushing agents Sean King and Michelle Maxwell to their limits.