If you sell or give away PDF ebooks, you’ll want to check out Ross McKillop’s tutorial over at Simple Help.
It will guide you through the process of converting PDF files so that they can be read in iBooks, the iPad application.
iBooks uses an ebook format called ePub. Using a free converter application (and ebook manager) called Calibre you can quickly convert PDF (and other file formats) to .epub files, which you can then transfer to your iPad for reading in iBooks.
Photo by Simple Help.