Rebecca, Noah, Max and Theo discover a passageway into another world in the abandoned house of Grandpa Gabe, Rebecca's grandfather. When Rebecca and Max are trapped on the other side of the passageway, Noah and Theo rush to their aid. In ElseWhere they meet monsters, wicked spies called Shadows, and strangers who become friends. They use their wits, brawn, and light to fight off the Shadows?and to protect our own world.

To stay alive and return home, Rebecca and her friends must strike the Master of Shadows at the source of his powers, a crumbling castle fiercely guarded by the Shadow Spies.

Four friends discover a movie projector that opens a passageway into a world threatened by creatures of shadow, where their only weapon is light.

Trapped in the dangerous world of ElseWhere, Rebecca, Noah, and Theo are possessed by the evils unleashed by the Master of Shadows. Max and Grandpa Gabe may be their only hope of breaking free. But it's a race against time. The Master's plan to destroy both ElseWhere and our own world is in Motion...and The hunt to find a new passageway home may come at a terrible cost.

From 18th-century Grand Tours to today's planet-wide Internet journeys, this book is a fascinating exploration of man's desire for knowledge and the inevitable quest for an elsewhere that results.

Rebecca, Max, Theo, and Noah continue their journey through the other world in search of a way home, pursued by the Shadow Spies and the mysterious Master of Shadows.