The Mirror of Fate is a 1999 fantasy novel by T. A. Barron published by Penguin.

The Mirror of Fate is the fourth book in a 12-book series known as The Merlin Saga.

[1] In a remote swamp on the magical isle of Fincayra, uncommon wickedness arises.

Young Merlin must journey to terrifying places - both within himself as well as on land - to save both his homeland, and his own destiny.

Accompanied by the deer-woman he has come to love, Hallia, and his own roguish shadow, Merlin discovers "a magical mirror that can alter anyone's fate."