of Alex Mack, which the book's buyers could detach and hang on their Christmas trees at home. All 34 books have been out of print since the 1990s, although second-hand copies continue to circulate. References External links Official site 1990s American comedy-drama television series 1990s American superhero comedy television series 1990s American teen drama television series 1990s American teen sitcoms 1990s Nickelodeon original programming 1994 American television series debuts 1998 American television series endings American fantasy drama television series American fantasy television series English-language television shows Fictional telekinetics Teen superhero television series Television series about families Television series about teenagers Television series about bullying Television shows set in Paradise Valley, Arizona Coming-of-age television shows