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This more robust version comes with lots of added content exclusive to the iPad.
Amazon for the Kindle Fire and Kindle for iPad, iPod Touch, and iPhone..
Google Play for Android phones and tablets (PDF format).
Nook version from Barnes & Noble exclusively for the Nook reader.
Zinio for computers, Android, RIM, iPad, and other devices (PDF format).
Vol.1/No.6 - April 2013
Vol.1/No.5 - February 2013
Vol.1/No.4 - December 2012
Vol.1/No.3 - October 2012
Vol.1/No.2 - August 2012
Vol.1/No.1 - June 2012