The Unbelievable FIB Books

Summary: Prudence Potts and her new friend ABE stumble upon a mysterious card and a hidden world beneath their town. As mythical beings infiltrate Middleton, they must unravel riddles and face a clever enemy. Their quest to secure the Eye of Odin, a source of immense knowledge, becomes a race against time to prevent a war that could obliterate both human and immortal realms. Can they trust what they see, or is everything an illusion? Dive into a world where magic and uncertainty collide, and nothing is as it seems.