The World of Winx is one of the World of Winx book series.
“Do you believe in magic and dream for a better world? Then, become a fairy like the Winx!
Want to know everything about Winx? Then, discover with this magic book, their tastes and their hobbies, all the secrets of the WOW talent show, the new missions, the terrible enemies of the World of Dreams and the fantastic Dreamix power!With so many fun tests to get to know you better... even yourself! Age of reading: 5 years.”
- The English title of the book appears to be "The Big Book of Talents".