Hallucination Orbit : Psychology In Science Fiction
- Farrar, Straus, & Giroux (Anthologie), 1983, 279 pages avec Charles W. Gauch & Martin H. Greenberg

Have You Seen These?
- The NESFA Press (Recueil de nouvelles ASIMOV seulement), 1974, 94 pages

Henry Hudson : Arctic Explorer and North American Adventurer
- Gareth Stevens, Inc., 1991, 48 pages

Heyne Science Fiction Jahresband 1980
- (Anthologie), 1980

History of Biology
- Carolina Biol. Suppls., 1988

History of Mathematics
- Carolina Biol. Suppls., 1989

Hound Dunnit
- Carroll & Graf, 1987, 339 pages

How Did We Find Out About Antarctica?
- Walker, 1979, 64 pages
- Walker, 1979, 64 pages
- Avon/Camelot, 1981

How Did We Find Out About Atoms?
- Walker, 1976, 62 pages
- Walker, 1976, 62 pages
- Avon/Camelot, 1982, 62 pages

How Did We Find Out About Black Holes?
- Scholastic Book Services, 1978, 64 pages
- Walker, 1978, 64 pages
- Walker, 1978, 64 pages

How Did We Find Out About Blood?
- Walker, 1987, 63 pages
- Walker, 1987, 63 pages

How Did We Find Out About Coal?
- Walker, 1980, 64 pages
- Walker, 1980, 64 pages

How Did We Find Out About Comets?
- Avon/Camelot, Feb-81, 64 pages
- Walker, 1975, 64 pages
- Walker, 1975, 64 pages

How Did We Find Out About Computers?
- Walker, 1984, 62 pages

How Did We Find Out About Dinosaurs?
- Walker, 1973, 62 pages
- Walker, 1973, 62 pages
- Avon/Camelot, 1982, 64 pages

How Did We Find Out About DNA?
- Walker, 1985, 61 pages
- Walker, 1985, 61 pages

How Did We Find Out About Earthquakes?
- Avon/Camelot, 1981, 58 pages
- Walker, 1978, 58 pages
- Walker, 1978, 58 pages

How Did We Find Out About Electricity?
- Walker, 1973, 64 pages
- Walker, 1973, 64 pages

How Did We Find Out About Energy?
- Walker, 1975, 64 pages
- Walker, 1975, 64 pages
- Avon/Camelot, Feb-81, 64 pages

How Did We Find Out About Genes?
- Walker, 1983, 62 pages

How Did We Find Out About Genes? (library binding)
- Walker, 1983, 62 pages

How Did We Find Out About Germs?
- Walker, 1974, 64 pages
- Avon/Camelot, Feb-81, 64 pages
- Walker, 1974, 64 pages

How Did We Find Out About Lasers?
- Walker, 1990, 64 pages
- Walker, 1990, 64 pages

How Did We Find Out About Life In The Deep Sea?
- Avon/Camelot, Aug-82, 61 pages
- Walker, 1982, 62 pages
- Walker, 1982, 62 pages

How Did We Find Out About Microwaves?
- Walker, 1989, 63 pages
- Walker, 1989, 63 pages

How Did We Find Out About Neptune?
- Walker, 1990, 59 pages
- Walker, 1990, 59 pages

How Did We Find Out About Nuclear Power?
- Walker, 1976, 64 pages
- Walker, 1976, 64 pages

How Did We Find Out About Numbers?
- Walker, 1973, 63 pages
- Walker, 1973, 63 pages

How Did We Find Out About Oil?
- Walker, 1980, 61 pages
- Walker, 1980, 61 pages

How Did We Find Out About Our Human Roots?
- Walker, 1979, 57 pages
- Walker, 1979, 57 pages
- Avon/Camelot, Aug-82, 57 pages

How Did We Find Out About Outer Space?
- Walker, 1977, 62 pages
- Avon/Camelot, 1981
- Walker, 1977, 62 pages

How Did We Find Out About Photosynthesis?
- Walker, 1989, 64 pages
- Walker, 1989, 64 pages

How Did We Find Out About Pluto?
- Walker, 1991, 61 pages
- Walker, 1991, 61 pages

How Did We Find Out About Robots?
- Walker, 1984, 62 pages

How Did We Find Out About Solar Power?
- Walker, 1981, 62 pages
- Walker, 1981, 62 pages
- Avon/Camelot, Aug-82, 62 pages

How Did We Find Out About Sunshine?
- Walker, 1987, 63 pages
- Walker, 1987, 63 pages

How Did We Find Out About Superconductivity?
- Walker, 1988, 64 pages
- Walker, 1988, 64 pages

How Did We Find Out About The Atmosphere?
- Walker, 1985, 64 pages
- Walker, 1985, 64 pages

How Did We Find Out About The Beginning Of Life?
- Walker, 1982, 54 pages
- Walker, 1982, 54 pages

How Did We Find Out About The Brain?
- Walker, 1987, 61 pages
- Walker, 1987, 61 pages

How Did We Find Out About The Speed Of Light?
- Walker, 1986, 60 pages
- Walker, 1986, 60 pages

How Did We Find Out About The Universe?
- Walker, 1982, 64 pages
- Walker, 1982, 64 pages

How Did We Find Out About Vitamins?
- Walker, 1974, 64 pages
- Walker, 1974, 64 pages

How Did We Find Out About Volcanoes?
- Avon/Camelot, Aug-82, 64 pages
- Walker, 1981, 62 pages
- Walker, 1981, 62 pages

How Did We Find Out the Earth Is Round?
- Walker, 1973, 59 pages
- Walker, 1973, 59 pages

How Do Airplanes Fly?
- Gareth Stevens, Inc., 1992, 24 pages

How Do Big Ships Float?
- Gareth Stevens, Inc., 1993, 24 pages

How Does A Cut Heal?
- Gareth Stevens, Inc., 1993, 24 pages

How Does A TV Work?
- Gareth Stevens, Inc., 1992, 24 pages

How Is Paper Made?
- Gareth Stevens, Inc., 1992, 24 pages

How To Enjoy Writing : A Book Of Aid And Comfort
- Walker, 1987, 163 pages
- Walker, 1987, 163 pages

How Was The Universe Born?
- Gareth Stevens, Inc., 1988, 32 pages
- Dell/Yearling, 1991, 32 pages
- Gareth Stevens, Inc., 1988, 32 pages

Human?
- Lion Books (Anthologie), 1954 de Judith Merril

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