Have you ever heard of a Megalodon, a nasty toothy enormous beast considered a close cousin of great white shark and reaching more than 20 feet in length! Meet one in this gripping thriller about surviving the odds after getting washed away in a frivolous, rickety island. The monster rises from the deepest part of the earth, the mysterious Mariana Trench. Surrounded by a Megalodon and other flesh-ripping, blood-curdling sharks, every moment is a battle between life and death for teenager Jaxx as she tries desperately to save the lives of her friends Tom, Demi, Beth, Zac and Thalia while waiting for rescue. Will they be rescued? Find out through this page-turner.