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Book, 2011
Current format, Book, 2011, 1st ed, All copies in use.
Book, 2011
Current format, Book, 2011, 1st ed, All copies in use. Offered in 0 more formats
As the judging of his class's science fair approaches, Otis has trouble even thinking of an idea but once he has built a bird feeder he is determined to make some good observations, no matter how long it takes.
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