Merryll of the Stones

This splendid story of time travel and magic begins in Sydney, with Megan Ellison, sole survivor of a car accident. She awakens from this disaster haunted by strange dreams as if from some distant past. These frightening dreams and fragmented memories continue, even when Megan goes to stay with relatives in a Welsh village. Then she meets Em, a brilliant and rebellious boy. As their friendship grows, they discover Megan's supernatural gift - and her duty to right an ancient wrong. Together, Megan and Em step through the ruins of a stone circle... and so begins a fabulous adventure that spans two millennia.