After a month of mental and spiritual leave, Janice sends Zack on a simple mission to locate a cave containing an ancient earthen pot known only through the ravings of a delirious and dying man, somewhere in the Matilija Wilderness. To his mind, it is a task beneath his rank....

Modern science and high technology come up against deeply rooted Native American cultures and ancient rituals in this Zack Tolliver, FBI, story, where the Goblin rocks and barren flats of Joshua Tree National Park surround the rugged Eagle Mountains....

Zack Tolliver is at home when Libby's sister calls, worried about her daughter Pru in the wake of the horrific murder of a high school classmate. Libby goes to Kanab, Utah, to offer her support and discovers Pru's life truly is in danger....

The hunters noticed the circling birds against the rose-tinted sky above the rim rock and saw where the flat rays of the early morning sun glinted on something that didn't belong there, and the three of them walked that way....

Zack Tolliver rushes home to Tuba City, Arizona, when he learns his friend Eagle Feather has been involved in a hunting accident, an attack by a mountain lion....

Old friend Marty O'Bannon, San Francisco Homicide Detective, calls FBI Agent Zack Tolliver early one morning for advice....

For FBI Agent Zack Tolliver, a pleasure trip to the Central Coast of California turns into dangerous business....

Investigating a suspicious double suicide in the Mojave Desert, Zack Tolliver, FBI and Eagle Feather must determine if a crime was committed and solve it under increasing threat from persons unknown. They need clues, but the desert sand leaves no trace....