Known facts, not guesses.

Straken: High Druid of Shannara by Terry Brooks. In the third book of the High Druid of Shannara trilogy, Grianne Ohmsford faces her greatest challenge yet as she remains trapped in the Forbidding while dark forces threaten the Four Lands. With her nephew Pen racing against time and enemies closing in from all sides, the fate of the Druid order and all magic hangs in the balance. Brooks delivers another gripping tale of courage, sacrifice, and the enduring power of hope in this epic conclusion.