Lots of twins have a special connection - being able to finish each other's sentences; sensing what the other is thinking; perhaps even knowing when the other is in trouble or in pain - but for 12-year-old twins, Matt and Emily Calder, the connection is beyond special. Together, the twins have extraordinary powers - they are able to bring art to life, or enter paintings at will. Their abilities are sought by villains trying to access the terrors of Hollow Earth - a place where all the demons, devils and creatures ever ...

Hollow Earth 2013, Aladdin Paperbacks, New York

ISBN-13: 9781442458536

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Hollow Earth 2012, Buster Books, London

ISBN-13: 9781907151644

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Hollow Earth 2012, Aladdin Paperbacks, New York

ISBN-13: 9781442458529

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