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The Snow Queen's Shadow (PRINCESS NOVELS) (edition 2011)
by Jim C. Hines
References to this work on external resources.
Wikipedia in English (1)
Amazon.com Product Description (ISBN 0756406749, Mass Market Paperback)
When a spell gone wrong shatters Snow White's enchanted mirror, a demon escapes into the world. The demon's magic distorts the vision of all it touches, showing them only ugliness and hate. It is a power that turns even friends and lovers into mortal foes, one that will threaten humans and fairies alike.
(retrieved from Amazon Mon, 30 Sep 2013 13:27:26 -0400)
When Snow White's enchanted mirror is shattered by a spell gone wrong, unleashing a demon that shows people only ugliness and hate, Snow White becomes the first person to fall under the demon's power.
(summary from another edition)