Taran the assistant Pig-Keeper has led heroic adventures and is a friend of princes, yet he is still troubled by his lowly status, and determined to discover the secret of his true identity.

He sets out to consult the powerful witches of Morva and the mysterious Mirror of Llunet. On his quest to find the truth, Taran must journey through distant realms and undertake a series of challenging tasks. But his greatest struggle is against his own pride and fears, as he learns where true greatness lies.

Taran Wanderer is the fourth book in Lloyd Alexander's classic fantasy epic The Chronicles of Prydain .