So far, the app I use the most on my iPhone is the Stanza e-book reader. I had shied away from e-readers up until getting an iPhone but the chance to have a library of public domain books at my fingertips persuaded me to put my prejudice of non-paper books on hold long enough to install the Stanza app. I haven’t used a Kindle or any other e-reader before so I have nothing to compare Stanza with but I was surprisingly pleased at how well the interface worked (tap on the right to turn a page,

Source:Cthulhu fhtagn