The author of the book ‘The Turmoil’ is Booth Tarkington. ‘The Turmoil’ is the first novel in the ‘Growth’ trilogy series. The story is set in a midwestern city resembling Indianapolis. Through the book, we learn about the story of two families: one family is the Sheridans, whose integrity diminishes as their wealth increases, and the other family is the Vertris, who are prosperous but remain poor.