Danny is slower than other kids his age and prone to violent outbursts. When Danny runs off to find his biological mother, his stepbrother follows him. But nothing prepares the boys for what they learn when they locate Danny's mother at her laboratory, Fourth World.

Fourth World 2006, Bloomsbury Publishing PLC, New York, NY

ISBN-13: 9781582348971

Trade paperback

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Fourth World 2005, Bloomsbury Publishing PLC, New York, NY

ISBN-13: 9781582346502

Hardcover

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