Chief Detective David Wolf's son has a new girlfriend, and when she discovers her father--a well known man in ancient fossils trade circles--has been murdered, she and the rest of her shattered family turn to Wolf to bring them justice. With the help of a small town sheriff and a retired police dog named Jet, Wolf follows the clues to a dig site in northwest Colorado, where secrets have been entombed for eons, and people are dying to keep them that...

When a fisherman reels in a plastic bag containing a severed human head from the depths of Cold Lake, Colorado, Sheriff David Wolf and his deputies scramble to the scene, and quickly realize there are more surprises to be found below. Their grim discoveries reopen a cold case Wolf's father worked twenty-two years ago, and Wolf must try to succeed where his father failed before him. Wolf has the advantage on his dad, however, because he has bodies....

Colorado Bureau of Investigation Agent Frances Cash investigates after a billionaire's son and his new wife are kidnapped and murdered by a gang of eco-terrorists at a park where extinct animals are brought back through genetic manipulation.

A woman crashes her car near the scenic Colorado ski resort town of Rocky Points and slips into a coma after suffering head trauma. The Sluice-Byron County first responders discover she's stolen her vehicle from central Washington and doctors find her body is riddled with wounds that have nothing to do with the collision. Chief Detective David Wolf of Rocky Points is two days from getting married when he learns the crash victim's identity as Special...

As the snow melts, a disturbing truth emerges. Colorado mountain detective David Wolf is back in the latest page-turning mystery that will leave your heart pounding and lungs pumping for air. A Rocky Points businessman goes missing, leaving behind an SUV drifted over in snow and a lot of questions for the Sluice-Byron County SD. But the answers are hard to come by, and Chief Detective David Wolf's personal problems aren't making investigating any...

"In this series debut, a mysterious bookshop visitor dies under murderous circumstances, compelling the Christie sisters and their cat, Agatha, to call on all they've learned about solving mysteries from their favorite novelist. Ellie Christie is thrilled to begin a new chapter. She's recently returned to her tiny Colorado hometown to run her family's historic bookshop with her elder sister, Meg, and their beloved cat, Agatha. Perched in a Swiss-style...

"Chief Detective David Wolf is called to a crime scene next to the Chautauqua River, where a woman resident of Rocky Points has been murdered. The killer has left a well-known signature not seen for years--a severed ear. For Wolf, the gruesome display is a surprise, but so is the FBI beating the local department to the scene. While the town reels with panic, Wolf learns the latest victim was dating an SBCSD deputy whose past directly links to similar...

"When a drug runner on pre-trial release disappears before his court date, nobody in the Sluice-Byron County Sheriff's Department is surprised. What is shocking, though, is Detective David Wolf finding the mule's foot, tracking ankle bracelet still attached. It looks like somebody has come to retrieve their man, and to make a statement in the process. Why the bloody theatrics? Wolf wonders, realizing he may never know. Answers involving men like these...

"The riveting tale of two pioneering botanists and their historic boat trip down the Colorado River and through the Grand Canyon. In the summer of 1938, botanists Elzada Clover and Lois Jotter set off to run the Colorado River, accompanied by an ambitious and entrepreneurial expedition leader, a zoologist, and two amateur boatmen. With its churning waters and treacherous boulders, the Colorado was famed as the most dangerous river in the world. Journalists...