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Other views: | Summary Awards Chronological |
Novels
- Beyond the Tomorrow Mountains (1973)
- Defender of the Flame (2013)
- Enchantress from the Stars (1970)
- Envoy of the Flame (2021)
- Herald of the Flame (2014)
- Journey Between Worlds (1970)
- Promise of the Flame (2009)
- Stewards of the Flame (2007)
- The Doors of the Universe (1981)
- The Far Side of Evil (1971)
- This Star Shall Abide (1972)
- Children of the Star (2000) [O/3N]
- The Hidden Flame (2016) [O/1,2]
- The Rising Flame (2016) [O/1,2]
- Anywhere, Anywhen (1976)
- Universe Ahead: Stories of the Future (1975) with Rick Roberson
- From This Green Earth: Essays on Looking Outward (2019)
- Our World Is Earth (1979)
- Reflections on Enchantress from the Stars and Other Essays (2019)
- Reflections on the Future: Collected Essays (2017)
- The Future of Being Human and Other Essays (2020)
- The Planet-Girded Suns (1974)
- Tool for Tomorrow (1979) with Rick Roberson
- The Beckoning Trail (1975) with Rick Roberson
- Timescape (1976) with Mildred Butler
- Tranquility (2011)
- Afterword (Children of the Star) (1999)
- Afterword (Journey Between Worlds) (2006)
- Afterword (Stewards of the Flame) (2007)
- Afterword (The Far Side of Evil) (2003)
- Afterword to the 2001 Edition (Enchantress from the Stars) (2001)
- Afterword to the 2006 Edition (Journey Between Worlds) (2007)
- Author's Note (This Star Shall Abide) (1972)
- Foreword (Anywhere, Anywhen) (1976)
- Introduction to the 2011 Edition (Anywhere, Anywhen: Stories of Tomorrow (Expanded Edition)) (2011)
- Perspective on the Future: The Quest of Space-Age Young People (1972)
- Preface (Defender of the Flame) (2021)
- Preface (Herald of the Flame) (2021)
- Preface (Promise of the Flame) (2021)
- Preface (Stewards of the Flame) (2021)
- Preface (The Far Side of Evil) (2021)
- Preface (Universe Ahead) (1975)
- The Changing Role of Science Fiction in Children's Literature (1971)