was released online November 23, 2009. A national CD release came out in April 2010. References External links Only You Can Save Mankind - Website of The Musical 1992 British novels 1992 science fiction novels Alpha Centauri in fiction Books about video games Children's science fiction novels Fictional video games Novels by Terry Pratchett Johnny Maxwell British children's novels 1992 children's books Novels adapted into radio programs Doubleday (publisher) books