US reprints: SFBC hc 1980; Ballantine/Del Rey pb 1981. UK reprint: NEL pb 1981; reissued 1988. Translations: German (1981), Japanese (1982), French (1984), Finnish (1987), Spanish (1988).
THE FLIGHT OF THE DRAGONFLY (Pocket/Timescape hardcover) 1984
US reprints: Pocket/Timescape trade pb 1984. UK reprints: NEL pb 1985; reissued 1987.
Note: expanded 1985; expanded & retitled 1987, q.v.
Translations: Japanese (1985), French (1986), German (1986).
THE FLIGHT OF THE DRAGONFLY expanded (Baen paperback) 1985
US reissue: Baen pb 1987. Note: further expanded 1987 as ROCHEWORLD, q.v.
STARQUAKE (Ballantine/Del Rey hardcover)
US reprints: SFBC hc 1985; Ballantine/Del Rey pb 1986. UK reprint: NEL pb 1988.
Translations: German (1987), Japanese (1987), Spanish (1987).
Note: sequel to DRAGONS EGG.
ROCHEWORLD (Baen paperback) 1990
Note: further expansion of FLIGHT OF THE DRAGONFLY; Rocheworld series.
MARTIAN RAINBOW (Ballantine/Del Rey hardcover) 1991
US reprints: Easton hc 1991; Ballantine/Del Rey pb 1992. Translation: German (1992).
TIMEMASTER (TOR hardcover)
US reprint: TOR pb 1993.
MAROONED ON EDEN (Baen paperback) 1993
Co-author: Martha Dodson Forward. Note: Rocheworld series.
RETURN TO ROCHEWORLD (Baen paperback)
Co-author: Julie Forward Fuller. Note: Rocheworld series.
CAMELOT 30K (TOR hc).
OCEAN UNDER THE ICE (Baen paperback) 1994
Co-author: Martha Dodson Forward. Note: Rocheworld series.
DRAGONS EGG/STARQUAKE (Ballantine/Del Rey paperback)
Note: omnibus of the two named novels.
RESCUED FROM PARADISE (Baen paperback) 1995
Co-author: Julie Forward Fuller. Note: Rocheworld series.
Thesis: University of Maryland at College Park.
DEVELOPMENT OF A ROTATING GRAVITY GRADIOMETER FOR EARTH ORBIT APPLICATIONS 1973
Hughes Research Laboratories: Research Report.
FAR OUT PHYSICS (report of SFWA presentation) 1974
A NATIONAL SPACE PROGRAM FOR INTERSTELLAR EXPLORATION 1975
Hughes Research Laboratories: Research Report.
INFRASTELLAR AND INTERSTELLAR EXPLORATION 1976
Hughes Research Laboratories: Research Report.
GRAVITY GRADIENT MAPPING FROM THE LPO
Hughes Research Laboratories: Research Report.
INTERSTELLAR TRAVEL AND COMMUNICATION: A BIBLIOGRAPHY 1980
Co-edited, for British Interplanetary Society.
ANTIPROTON ANNIHILATION PROPULSION 1985
Report for Air Force.
ADVANCED SPACE PROPULSION STUDY: ANTIPROTON AND BEAMED 1987
POWER PROPULSION (report for Air Force).
FUTURE MAGIC (Avon paperback) 1988
Note: Future Magic, now out of print, is being replaced by a Baen Books original paperback, INDISTINGUISHABLE FROM MAGIC, which has non-fiction chapters, updated from Future Magic, plus a new non-fiction chapter on faster-than-light, with short ó stories including a new one interspersed in between. It will be out in August 1995.
MIRROR MATTER: PIONEERING ANTIMATTER PHYSICS (Wiley hc)
Co-author: Joel Davis.
21st CENTURY SPACE PROPULSION STUDY 1990
Report for Air Force.