The iPad is spectacular at many things. If your experience is like mine you will find that it is great for surfing the web, reading eBooks, watching movies and TV shows, playing games, and light document creation.
iPhone and iPad apps tagged "ebook formats."
Stanza eReader Opens New Chapter for Reading on iPhone
Put a sign that says "Free" on anything from a broken Beta VCR to a basket of kittens, and I'll probably take it home. When I came across Lexcycle's e-Reader Stanza in the App Store, I grabbed it, even though I seldom read lengthy docs on my iPhone.