Son of Godfather (ゴッドファーザーの息子, Goddofāzā no Musuko) is a manga by Osamu Tezuka, and also the name of one of his books in Kodansha's line of "Osamu Tezuka Manga Complete Works" books containing a collection of Tezuka's short stories. The stories included in the book are "Son of Godfather", "Spaceship Ringel Rock", "Serenade of a Pig's Navel", "Boy Detective Zumbera", and "The Moon and Wolves". Source: Wikipedia (en)