Roscoe

"Torin Sinclair and his friends think they've got a handle on all of the mysteries of Snow Park, Colorado. They're wrong. Torin, Drake, and Raine know about the hidden mining tunnels underneath the town and they keep the secrets of the creatures that live in the high forests on Borsh Mountain. But nothing prepares them for the adventure that awaits when Tor adopts Roscoe, a giant young dog. Why does a sinister man appear to claim the abandoned, abused mutt? When Tor and his friends venture into the haunted Phantom Canyon where Roscoe was found, they stumble upon an amazing secret ... and a deadly trap. With only a few hours to save his mom and his friends, Tor - with Roscoe's help - must unravel the ancient secret of Phantom Canyon"--Back conver.