A must read for fans of fantasy and Irish mythology, Faylinn: The Cup of the Sidhe is a magical Celtic fantasy adventure for readers ages 9-12. This book blends classic faerie lore with fast-paced modern storytelling with themes of bravery, identity, loyalty, and the importance of family. Thomas is an ordinary, thirteen-year-old boy who thinks his eyes are playing tricks on him the night that he sees his baby sister Isabelle being taken by two strange creatures. The next day his worst fears are realized. He was not dreaming. His sister is gone and a changeling has been left in her place. Now Thomas and his nerdy, know-it-all sister Libby must embark upon the adventure of a lifetime to the magical world of Faylinn, where they will enlist the help of a sidhe, a fae, and even mermaids to fend off evil faeries of all kinds, including a mighty peist. But as it turns out, their biggest enemy of all is the one that they trusted the most. Perfect for fans of Keeper of the Lost Cities by Shannon Messenger and The Spiderwick Chronicles by Tony DiTerlizzi and Holly Black.