Hollow Earth


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 imagined lie trapped for eternity.

The twins flee with their mother to the security of an island, off the west coast of Scotland, where their grandfather has certain protective powers of his own. But too much is at stake, and the twins aren’t safe there either. The villains will stop at nothing to find Hollow Earth and harness the powers within…

John and Carole E Barrowman’s first novel for young adults was published by Buster Books on February 2, 2012 and is available from all good bookstores and online retailers. On February 6, 2012 Hollow Earth topped Amazon’s chart of Children’s Sci-fi and Fantasy novels. Hollow Earth was published in the US on October 30, 2012 by Aladdin Books, the children’s division of Simon and Schuster, and is now available from all good book stores and on-line retailers.

John has recorded an audio book version of the novel for AudioGO (UK) and this is now available for download or on CD.


What do my parents fight about? Check out the link in my bio for the full segment #bookstagram #alvernopostcards #readersofinstagram #reviewersofinstagram #greatbooks @ Milwaukee, Wisconsin https://t.co/jUWWxEAxSq

Already watched this multiple times and loving it more each time #ingenious #exuberant #twisty #messy #matrixy #familycomedy #chaos #multiversemadness https://t.co/7RQltM29i3

Saturday sammie! bread from @rocketbabybakery tomato & eggs from @5ive_seasons_farm culinary skills … me 🤩#breafastideas #yummyfood @ Wauwatosa, Wisconsin https://t.co/x8O78kI8uz

Please take a moment today and vote for daughter Clare at link in bio. She could win lots of cash for her 1st grade classroom @eagleridgeacademy in MN. 🥰❤️👍👏 @ Wauwatosa, Wisconsin https://t.co/Hg65MRu4hD

The gopher holes r bigger in the Northwoods #upnorth https://t.co/TJ5LRMU7jr

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