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Unknown, 2010
Current format, Unknown, 2010, , All copies in use.
Unknown, 2010
Current format, Unknown, 2010, , All copies in use. Offered in 0 more formats
In 1973, when a renowned Canadian behavioral psychologist pursues his latest research project-- an experiment to determine whether chimpanzees can acquire advanced language skills-- he brings home a baby chimp named Zan and asks his thirteen-year-old son to treat Zan like a little brother.
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