Icebergs and glaciers /

by Simon, Seymour
Published 1987

The secret clocks time senses of living things /

by Simon, Seymour
Published 1979

Mirror magic /

by Simon, Seymour
Published 1980

Pets in a jar ; collecting and caring for small wild animals /

by Simon, Seymour
Published 1975

Hidden worlds : pictures of the invisible /

by Simon, Seymour
Published 1983

How to be a space scientist in your own home /

by Simon, Seymour
Published 1982

The moon /

by Simon, Seymour
Published 1984

101 questions and answers about dangerous animals /

by Simon, Seymour
Published 1985

Earth : our planet in space /

by Simon, Seymour
Published 1984

A handful of soil /

by Simon, Seymour
Published 1970

Winter across America /

by Simon, Seymour
Published 1994

The heart : our circulatory system /

by Simon, Seymour
Published 1996

How to be an ocean scientist in your own home /

by Simon, Seymour
Published 1988

Mercury /

by Simon, Seymour
Published 1992

Crocodiles & alligators /

by Simon, Seymour
Published 1999

They swim the seas : the mystery of animal migration /

by Simon, Seymour
Published 1998

The heart : our circulatory system /

by Simon, Seymour
Published 2006