Who doesn’t LOVE butterflies! Courtesy of Amazon.com, download the Audubon Butterflies – A Field Guide to North American Butterflies app. for free today only! The Green Mountain Digital app. features more than 2,000 beautiful color photographs detailing each species and offers detailed descriptions of over 600 butterflies of North America! Normally priced at $4.99, Audubon Butterflies is a beautiful nature app. to add to your digital library.
(UPDATE: Offer now expired)