The boys are given a controversial book to read in school that both excites and inspires them to write one of their own. When the boys discover that Stan's mom has found their masterpiece, their new motivation is how they can stay out of trouble.Last Wednesday the series garnered more viewers with its Tiger Woods sex-addiction episode than any other “South Park” episode since 1999. It did better that night in 18-49 than new episodes of “Gary Unmarried,” “Top Model,” “Mercy,” “Ugly Betty” and “Scrubs” (which Zach Braff says is finally cancelled, though ABC won’t confirm as much):