How Henry Winkler transformed private battle with dyslexia into comedy

Henry Winkler is having plenty of “Happy Days” lately. The 71-year-old beloved actor, best known by fans for his role as leather-wearing greaser Arthur “The Fonz” Fonzarelli in the 1970s hit sitcom, is successfully pursuing another passion. Winkler is the co-author of a best-selling children’s book series based on humorous Hank Zipzer, a fourth-grader with learning…