During a summer holiday in Wales, Portia and Ben discover a mysterious door in a forest, unaware that it is a portal to a perilous Otherworld, and they unwittingly open the door, unleashing a powerful evil that endangers both the human and fairy realms, forcing them to confront the consequences of their actions.

• ISBN: 9781665910194
• Published: 2024 , Simon & Schuster Books for Young Readers
• Descriptors: Database
• No. of pages: 352