Amazon.com description: Product Description: Based on the latest direct?to?video Barbie movie, the new title in this best-selling series comes alive. When Marisa, played by Barbie, discovers she is half-mermaid, she must help the citizens of Atlantia by rescuing their queen—her mother. Marisa and her underwater friends have to complete three tasks in order to release her mother from the clutches of the evil Eris, who longs to rule Atlantia. Girls can read the exciting story and then create their own version with reusable stickers and a two-sided play board—sure to inspire hours of creative play.