Billy Bunter of Greyfriars School is a novel by Charles Hamilton writing as Frank Richards, using the characters and settings of the Greyfriars School stories published from 1908 to 1940 in The Magnet. The novel was an immediate success, with sales of 25,000 copies within a few weeks. This was the maximum allowed under ongoing post war paper shortages. The novel was reprinted by the original publisher in 1947, 1948 and 1950. Subsequently it was republished by Armada in August 1968 and by Hawk January 1991.