I want to read eBooks on my iPhone 4. Those eBooks are heavy on mathematical formulas and sometimes diagrams. I have some problems though: When I convert PDFs and DJVU to ePub format and download ...
Now that Amazon has sunk the usability flagship among e-readers, Stanza, I am looking for a replacement but it turns out to be very difficult. It seems every app praises itself beyond reason. Every ...
I've purchased some books that make epub and mobi versions available for download. What are the main differences and which is better supported in iBooks?