作者: Cary J. Griffith

In the wilderness, one false step can make the difference between a delightful respite and a brush with death. On a beautiful summer afternoon in 1998, Dan Stephens, a 22-year-old canoeist, was leadi …

‘Writing in a style that reads like fiction, Griffith takes readers into heart-stopping action alongside caver John Ackerman, who found unexplored Goliath Cave in southeastern Minnesota.’ St. Paul Pi …

Sam Rivers of the U.S. Fish & Wildlife Service understands predators. His expertise finds him in Minnesota to investigate wolf depredation of livestock. The mysterious death of his father lands him o …

In this outdoors thriller, the investigation of a bizarre wolf attack leads to evidence of murder, conspiracy, and shocking family secrets. A decades-old promise haunts Sam Rivers, but the wildlife b …

In this outdoors mystery, special agent Sam Rivers investigates the unexplained—and very unlikely—cougar attack that killed a wealthy business owner. The sighting of a cougar in the Minnesota River V …

Two dead bodies and too many coincidences to ignore—in this outdoors mystery, special agent Sam Rivers must stop a murderous conspiracy. As a special agent for the US Fish & Wildlife Service, Sam Riv …

A murdered conservation officer and a multi-million-dollar poaching business—how are they connected to Sam Rivers’ childhood friend? Holden Riggins is an expert outdoorsman and a known poacher. He’s …