Together, they are able to bring art to life and enter paintings at will. Their extraordinary abilities are highly sought after, particularly by a secret group who want to access the terrors called Hollow Earth. All the demons, devils, and evil creatures ever imagined are trapped for eternity in the world of Hollow Earth—trapped unless special powers release them.The twins flee from London to a remote island off the west coast of Scotland in hopes of escaping their pursuers and gaining the protection of their grandfather, who has powers of his own. But the villains will stop at nothing to find Hollow Earth and harness the powers within. With so much at stake, nowhere is safe—and survival might be a fantasy.

    Zoe could care less that he's a famous doctor and sculptor. All she knows is that he is impossible to understand. The only interesting thing on the farm is a feral cat who won't let Zoe near. Together, Zoe and her uncle learn about trust and the strength of family ties. In this moving coming-of-age novel, Zoe comes to understand what it means to love and be loved, uncovers a long-kept secret, and finds family where she least expects it. Includes an interview with the author and a reading group guide.Named ALA Notable Children's Book Award; Bank Street College of Education Best Children's books of the Year; NCTE Notable Children's Books in the Language Arts; Kirkus Reviews Best Children's Book.