Darkhenge

Rob's sister Chloe lies in a coma after a riding accident, trapped in a forest of dreams between life and death. But when a dark druid shape-shifts his way into Rob's life, despair turns to hope. Because the druid knows the way through the Unworld, where he claims Chloe is imprisoned. Could the ominous black ring of timbers slowly emerging from a secret archaeological dig hold the key to rescuing ...