Buckle up! The Guinness World Record holders in Wacky Wheels cover all the vehicles that roll along. From the largest monster truck to the loudest bike horn, these Guinness World Records will rev the engines of imagination. Simple text and full-color photos will make learning about exciting topics fun for beginning readers.rnrnGuinness World Records: Wacky Wheels is a Level Two I Can Read book, geared for kids who read on their own but still need a little help.