Yes. Its worth $20. I have 2 field guides on my Windows Phone and 4 on my iPad. Sibley is the one that I use the most on both platforms.

Rick

Rick Taylor
Everett, WA
Sent from my Windows Phone
________________________________
From: bill
Sent: 11/1/2013 10:40 PM
To: tweeters at u.washington.edu
Subject: [Tweeters] rfi on Sibley app for win phone

The Sibley app seems to be the only full featured birding app for the windows 8. Hoping some tweeters can five me low down on whether its worth the twenty asking price. Sorry if this is a bit off topic, but I haven't seen this one discussed. Thx.

peace

bill
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