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Book, 1995
Current format, Book, 1995, 2a. ed, All copies in use.
Book, 1995
Current format, Book, 1995, 2a. ed, All copies in use. Offered in 0 more formats
Two boys from a small town on the Chesapeake Bay help a scientist interested in cleaning up the water for the benefit of animals, plants, and people, while risking parental disapproval of people with too much education and of outsiders' interference in their means of earning a living.
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