Enid Blyton 
Famous 5 on the Case: Case File 20: The Case of the Surfer Dude Who’s Truly Rude [EPUB ebook] 

A new generation Famous Five: Jo, Dylan, Allie, and Max are the children of the four kids — and not forgetting Timmy II to make up the Five.In book twenty, there’s surfboard sabotage in Malibu!The Famous Five meet Scooby Doo. All the heritage of the original Famous Five — adventure, mystery, action — combined with a great modern-day feel and lots of laughs.All 24 books in the series feature black and white inside illustrations and have been adapted into an animated television series for the Disney Channel.