Hello IXDA folks,
I just finished a post titled "10 Design Principles for eReader Apps" which may be of interest. I've also put together a screen-by-screen UX review of the iBooks, Kindle, and Kobo iPad apps.
10 Design Principles for eReader Apps: http://www.iphoneuxreviews.com/?p=467
UX Review of iBooks, Kindle, and Kobo: http://bit.ly/cMVKHj
Hope these are useful!
blog: http://www.iphoneuxreviews.com/twitter: http://twitter.com/suzanneginsburgbook: http://bit.ly/9NH4RC