The Swimmer: A Quick Reads Book

Helen is a retired teacher living on the Irish coast. She enjoys the peace and quiet - despite the burden of Margaret, her unpleasant sister. Margaret arrived three years ago for a short holiday, but somehow managed to stay and worm her way into Helen's life.

One day, Helen sees a man struggling in the sea and decides to investigate. She doesn't quite know what it is, but something about it feels very strange...