The Magician's Map (The House on Hoarder Hill, Book Two)

Hedy and Spencer uncover a hidden world beneath their grandfather's house on Hoarder Hill while exploring mysterious tunnels. They encounter the Fantastikhana, an underground magic tournament, and a powerful group of magicians known as the Sleight. As a mysterious living map tattoos itself on Hedy's skin, an extraordinary treasure hunt unfolds, drawing them deeper into the enchantment of this underground realm.