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Current edition
33 pages • first pub 1980 (editions)
ISBN/UID: 9780690042054
Format: Paperback
Language: English
Publisher: Thomas Y. Crowell
Publication date: Not specified
nonfiction
science
challenging
informative
medium-paced
nonfiction
science
challenging
informative
medium-paced
33 pages • first pub 1980 (editions)
ISBN/UID: 9780690042054
Format: Paperback
Language: English
Publisher: Thomas Y. Crowell
Publication date: Not specified
nonfiction
science
challenging
informative
medium-paced
nonfiction
science
challenging
informative
medium-paced
Other editions (0)