High Quality Content by WIKIPEDIA articles! Vendetta for the Saint is the title of a 1964 mystery novel featuring the character of Simon Templar, alias "The Saint". The novel is credited to Leslie Charteris, who created the Saint in 1928, but the book was actually authored by Harry Harrison, a noted science fiction author who also wrote the syndicated Saint comic strip. Although Charteris is sometimes credited as co-author of the book, Harrison`s official website indicates that the novel was fully ghost written by Harrison .