Joanna Nadin 
Undertow 

An emotionally compelling young adult book from Joanna Nadin – bestselling author of Rachel Riley and three times nominated Queen of Teen – featuring romance and family mystery through three generations of mother and daughters.Can Billie find the truth? When sixteen year old Billie Paradise inherits her grandmother’s house, it’s a fairytale come true. She and her family move from their rented flat in London to start a new life by the sea. Maybe Billie can even find the father she’s never met. But moving back to her mum’s childhood home uncovers long-buried secrets and Billie soon discovers that people may die, but the past lives for ever.