The Crystal Locket: Key to the Tunnels of Time

An ancient crystal locket found in the Cold Hollow Mountains by thirteen-year-old orphaned twins Andrew and Kristine Taylor turns out to be the key to time travel. Whisked away deep into the past with their dog Chaz they meet their guide a know-it-all cat aptly named Copycat. As they travel through time they each assume various appearances blending in with their environment becoming active participants in each era's events. Along the way they will learn disturbing secrets such as the survival of the world depends on their successful discovery of lost pieces of a disk shocking information pertaining to their family and the harsh realization that they cannot trust anyone...