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Education:

Science

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Birds USA Bird USA is an amazing bird guide. The user will pick the state and time of the year of their choice. The u...	Best
Education:Science Reviewed: May 19, 2009	$7.99

Star Walk - 5 stars astronomy guide Star Walk has a an amazing interface. This app could entertain any ...	Best
Education:Science Reviewed: March 17, 2009	$2.99

AppReview

Education:

Science

Birds USA

Best

Star Walk - 5 stars astronomy guide

Best