Book One of The Guardians of the Tall Stones.
This book has been called "one of the great esoteric novels of the 20th century".
The first of four novels set in Bronze Age Britain, a society focused around the great circles of Sacred Stones scattered across the landscape. It tells the story of a community threatened by the evil designs of Wardyke, a corrupt and ambitious priest, and its only defence, the courageous young psychic, Kyra. But to defend her community, Kyra must enter the forbidden circle of stones and call upon its unseen, mystical powers...