Book excerpt: A chilling post-apocalyptic tale of how far a father will go to protect his children?from the author of The Amnesiac In a world nearly destroyed by catastrophic floods, one family has been spared. Many years ago, as the waters rose, a father and his three children took to their ark and drifted to the safety of a small island. Life there is a quiet idyll of music and farming?and young Alice, Finn, and Daisy are grateful for their salvation?until the day a stranger swims ashore. A terrifyingly plausible adventure story, The Island at the End of the World is a mesmerizing novel from an exciting new writer.