Deryn’s father is the lighthouse keeper on Featherstone Island, keeping the lantern lit to protect passing boats from the treacherous coastline. An emergency forces her parents to travel to the mainland, and Deryn is left alone to keep watch over the lighthouse. She finds herself in a terrible situation when the lamp runs out of oil during a wild storm. With a fishing boat in peril, and time running out to rescue those on board, Deryn seeks help from an unusual source. Super-readable, dyslexia-friendly fiction from Barrington Stoke to help every child become a reader.