Emily Windsnap and the Monster from the Deep: Book 2 by Sarah Gibb
Emily Windsnap is thrilled to arrive at her new home - a secret island near the Bermuda Triangle where humans and merfolk live together, and where being a girl who grows a tail as soon as she enters the water isn't a problem. Being Emily, she can't resist exploring forbidden places - and as a result, she inadvertently wakes the kraken, the legendary sea monster that has been asleep for two hundred years.
Emily tries to undo the damage as the kraken's terrifying tentacles rise from the deep!
Mermaid magic, wonderful descriptions of undersea life and a fabulous adventure focused on the power of friendship make this a real page-turner, with all the charm and warmth of Liz Kessler's first book, The Tail of Emily Windsnap.