Small things
Subtitle: an introduction to the microscopic world. Teacher's guide
By: Elementary Science Study. --.
Publisher: Webster Division, McGraw-Hill
Published: 1967
Place of publication: St. Louis, Mo
Language: eng
Format: Kit
Number of pages: 146
Subjects: Microscope and microscopy -- Study and teaching.
Notes: Bibliography: p. 144-146.

"Suggested for grades 4-6"