Penrod and Sam is a novel by Booth Tarkington that was first published in 1916. it is set pre-World War 1. This is a sequel to his earlier book Penrod, and focuses more on the relationship between the main character of the previous book, Penrod Schofield, and his best friend, Sam Williams. More of Penrod's adventures appear in the final book of the series Penrod Jashber (1929). The three books were published together in one volume, Penrod: His Complete Story, in 1931. Source: Wikipedia (en)