New York : Aladdin, 2012, 2012.
1st Aladdin hardcover ed.
382 p. : maps ; 22 cm.
This work was originally published in Great Britain in 2012 by Buster Books.
Possessing extraordinary powers, including the ability to bring artwork to life, twelve-year-old twins Matt and Emily are sought by villains trying to access the terrors of Hollow Earth, a place where demons and mythological beasts lie trapped for eternity.