Margaret Mizushima

"Deputy Mattie Cobb and her sister, Julia, travel to Mexico to visit their mother, but when they arrive, they discover that she and her husband have vanished without a trace. Back in Timber Creek, Mattie finds a chilling note on her front door telling her to look for "him" among the standing dead up in the high country. The sheriff's department springs into action and sends a team to the mountains, where Mattie's K-9 partner, Robo, makes a grisly...

A deluge has flooded the high ground near Hanging Falls--but heavy rains aren't the only menace descending on Timber Creek. While on a scouting mission to pinpoint trail damage, officer Mattie Cobb and her K-9 partner Robo stumble upon a body floating at the edge of a lake. Robo catches human scent, which leads to an enigmatic forest-dweller who quickly becomes suspect number one. With help from veterinarian Cole Walker, Mattie identifies the victim,...

He was suspect number one--the man who tried to kill Deputy Mattie Cobb and may have killed her father thirty years earlier. But when Mattie and cold case detective Jim Hauck reach the Colorado state prison where they will finally get to interview him, he's found dead in his cell. There's only one clue: a map leading to Timber Creek and rugged Redstone Ridge. Though she usually works with veterinarian Cole Walker, Mattie's K-9 partner Robo has just...

When Deputy Ken Brody's sweetheart goes missing in the mountains outside Timber Creek, Mattie Cobb and her K-9 partner Robo are called to search. But it's mid-October and a dark snow storm is brewing over the high country. And they're already too late. By the time they find her body, the storm has broken and the snow is coming down hard. While Brody hikes down to bring back the forensics team and veterinarian Cole Walker gathers supplies to protect...