The Sarah Jane Adventures: The Thirteenth Stone

A stone circle spells danger for Sarah Jane Smith and friends in a thrilling new adventure read by Elisabeth Sladen. Sarah Jane is helping out on a school trip with Luke, Maria, and Clyde's class. On the way home, the group stop off at The Stone Whisperers, a dozen standing stones enclosed by a dome. Set apart from the circle is a thirteenth stone: the King Stone. Luke finds himself strangely drawn to it...but when the secret of the stones is finally revealed, enthusiasm turns to terror.