Lucas Grant always finds refuge in his creativity. In the world of his vivid imagination he is the brave knight or crafty spy, safe from the bullies and cruel laughter that fill his days in third grade. Yet, when he is mysteriously attacked by a terrifying nightmare, Lucas discovers even imagination is dangerous.

Now with the aide of a gruff gargoyle, a scrawny lizard, a rotund Minotaur, and his best friend, Emily Wu, Lucas embarks on an exciting journey into the magical World of Shadows. Join him as he ventures into the caverns of an ancient gold dragon, meets the Tooth Fairy, travels in...