Minty Peppermint loves adventure. When Ava Wildberry, her older sister goes missing, she and her brother William go to find her. But when they are looking around, they find a mysterious portal, which brings them into another dimension, with some people who were thought of as a myth. Can they ever get back to their dimension? And can they ever find Ava?

Mystery, Action, Adventure, Dimension, Fiction, Myth, Lost, Castle, Mother, Sister, Brother, Search, Cat, Leaves, Portal, Fantasy, Mist.