Beautiful. Fearless. Dangerous. They're the kind of girls you envy; the kind of girls you want to hate. Strangers in town for the summer Penn Thea & Lexi have caught everyone's attention including the eye of practical Harper. But it's her sister Gemma they've chosen to be part of their group. Sixteen-year-old Gemma seems to have it all
- carefree pretty & falling in love with the boy next door. But her greatest passion has always been the water. She craves late night swims under the stars where she can be alone yet belong to the sea. Lately she's had company. Penn Thea & Lexi spend their nights dancing singing & partying on the cove
- & one night Gemma joins them. When she wakes up groggy on the beach the next morning she knows something has changed. Suddenly Gemma is stronger faster & more beautiful than ever. As she uncovers the truth about her new mythical powers Gemma is forced to choose between staying with those she loves or entering a dark world brimming with unimaginable secrets. ' Generated an excitement not felt in the industry since Stephenie Meyer or perhaps even J. K. Rowling' New York Times 'A fast-paced romance.. .addictive' Guardian on Switched ' Drew me in & kept me hooked... cracking pace' Sunday Express on Switched