Hidden worlds.
Contributors: National Geographic Society (U.S.)
Series: Books for world explorers
Publisher: National Geographic Society
Published: 1981
Place of publication: Washington, D.C
Language: eng
Number of pages: 104
Subjects: Vision -- Juvenile literature.; Microscopy -- Juvenile literature.; Telescopes -- Juvenile literature.; Radiography -- Juvenile literature.; Vision.; Microscopes.; Microscopy.; Telescopes.; Radiography.
Notes: Bibliography: p. 103.
Includes index.
Pocket contains a pamphlet, Far-out fun! (24 p.), a pair of 3-D glasses and a poster.
Table of contents: title: Think small / by Edith Kay Pendleton; title: Beyond earth / by Kathryn Allen Goldner and Carole Garbuny Vogel; title: The inside story / by Catherine O'Neill; title: Wider horizons / by Eleanor Felder; title: More light on the subject / by Kathryn Allen Goldner and Carole Garbuny Vogel; title: Catch all the action / by Catherine O'Neill; title: Who discovers hidden worlds? / by Glenn O. Blough.