Time Traveler's Rock: White Buffalo

Ever since James, retired computer programmer, came back in time from an American Indian village in the 1500's, he frequents the time traveler's rock, an area where time travel became possible, with high hopes of returning into the life of Flaming Eagle. But everything changes one day when James is transported back in time again; however, this time as a teenage American Indian boy named Bo. Experiencing the life of young Bo, he saves a rare white buffalo, is sent on a journey, dodges danger...