The Secret of Rookery Manor - Ruth Baker Walton - Bog

Rookery Manor, a large imposing country house in Somerset, holds many secrets and a dark tragedy which will lead James on a magical adventure.
He travels back through time and meets Rory, his sister Becky who had lived at Rookery Manor, Mchawi the white witchdoctor Guardian of the Sacred Mountain, and Mtumwa the spirit guide, all of whom will play an important part in James' future.
Adam from the local village doesn't know it yet, but he and James will solve a 300-year-old mystery and avenge Emily Beauregard whose spirit has touched them all.