Waterfire Saga: Deep Blue, Paperback/Jennifer Donnelly

When Serafina, a mermaid of the Mediterranean Sea, awakens on the morning of her betrothal she is haunted by strange dreams foretelling the return of an ancient evil, and dealing with the deaths of her parents as assassins storm the betrothal ceremony, plunging the city into chaos. Now in paperback. Working with Disney in the US, the UK campaign will include lots of social media activity, book trailers and author videos. 'A mesmerising story' }Financial Times{