In the forests of Saint Martin, a great power has awakened. Whispers abound of a monster who lurks in the dark as more and more of the city's residents go missing.
Emma Wilkins is eleven years old and lives on Belle Street. Early in the school year, Emma befriends a boy whose father has disappeared. Together, they embark on a mission to find him. Awaiting Emma in the shadows of Glenridge Forest is a world of magic, secrets, and creatures of legend returning from exile.
During her adventure, Emma discovers the truth behind a power greater still. One who watches and waits, preparing for the day when the world is ready for his return.