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.


#fanfamily here it is again #glampoolchallenge but #backwards Thanks to turnerbarrowman for making it happen and tarryn__lee for reaching out. I hope you enjoy it as much as the original. Love ya’ll 🤪❤️🍑🏳️‍🌈👠👠👑💋 I… https://t.co/nEeHdegM7i

This. Anything but this. #granmasacrifice @ Green Meadows Petting Farm Wisconsin https://t.co/IgT060gTyR

After an adventure with granma! Swipe to see more. Can you guess what experience was my worst nightmare? greenmeadowspettingfarm https://t.co/XwjQE2eCT8

Lining up for recess. The Paddington siblings are trouble. They forgot their lunch again. #playingschool #artclass #marmalade @ Wauwatosa, Wisconsin https://t.co/eJgpn2feqG

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