Hollow EarthHollow Earth Series
John Barrowman, Carole E. Barrowman
Imagination matters most in a world where art can keep monsters trapped—or set them free.Lots of twins have a special connection, but twelve-year-old Matt and Emily Calder can do way more than finish each other’s sentences. Together, they are able to bring art to life and enter paintings at will. Their extraordinary abilities are highly sought afte...