Twelve-year-old Elizabeth Pratt is drawn to the ocean where she meets creatures who plan to kill her - after they give her the ability to breathe underwater. She escapes, and with the help of the Merfolk of Myrin fulfils a prophecy handed to her.Along her journey she meets many strange sea creatures, befriends the Merfolk, battles a Sea Witch and solves the riddle of the prime number. Her quest leads the people of Myrin towards peace and an adventure that she will never forget.Sarah May Comley's Myrin is a young-adult fantasy story with twists and turns that will surprise you from opening to end.