What happens when your father accidentally transports you through a magical doorway?

From New York Times bestselling authors Rebecca Moesta and Kevin J. Anderson.

Fourteen-year-old cousins Gwen and Vic have lived together ever since the mysterious deaths of Gwen’s parents and the disappearance of Vic’s mother.

When Vic’s scientist father accidentally transports them through a magical doorway to the island of Elantya, the challenges begin.

Elantya—wonder-filled place of magic as well as steampunk technology.

Vic and Gwen are soon caught in a tempest of ancient magic, bizarre gadgets, vicious creatures, and fierce battles in a territorial feud with the sea-dwelling merlons, an age-old conflict between the bright and dark sages . . . and Gwen and Vic’s own mysterious roots.