Photographing Parisian landmarks in the daytime, I found both
zoom options useful, giving me greater compositional flexibility and delivering crisp detail.
Not exact matches
The formatting of MobiPocket is better than the above mentioned tools and has an
option to
zoom into the book,
useful for those who want to read the tiny text on the book.
Comixology also has a handful of other
useful features, like thumbnail previews for browsing pages and the
option to manually
zoom in much farther in than you can on the Nook app.