Dont mind this.

Cassie Marie is a normal girl however after being adopted by the horrid Bumkish family, her life has changed for the worse, soon after she just starts middle school at age 11, two strange girls meet up with her, telling her mythical things under water, Cassie finds it hard to believe them but she does anyway.... what happens after this is a mystery left to uncover, read this book and uncover this mythical mystery.