Keys to the Demon Prison - Mull, Brandon

In this explosive series finale, allegiances will be confirmed and secrets revealed as the forces of light and darkness collide in a desperate struggle to control the keys to the demon prison.

Keys to the Demon Prison 2011, Aladdin Paperbacks, New York, NY

ISBN-13: 9781416990291

Trade paperback

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Keys to the Demon Prison 2011, Turtleback Books, New York, NY

ISBN-13: 9780606155977

Hardcover

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Keys to the Demon Prison 2010, Shadow Mountain

ISBN-13: 9781606412381

Hardcover

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Keys to the Demon Prison 2010, Shadow Mountain

ISBN-13: 9781606412619

Audiobook CD

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