Winx - The Mystery of the Deep

Winx - The Mystery of the Deep is the tenth novel of the Winx book series Winx Read&Play.

Synopsis
"A new, terrible threat is rising from the deepest part of the Infinite Ocean! The whole Magic Dimension risks falling into the hands of dark forces... What will the Winx do? Find out by reading the story."

Trivia

 * Only Bloom, Stella, and Aisha are seen on the book cover.
 * This book is the only one of the series to feature only three characters on the cover.
 * This book was released one month earlier than the projected release date, September 30.