A PDF is a suitable file format for creating and reading e-books. However, if you want to open an e-book in most e-readers, like the Amazon Kindle and B&N Nook, you must first convert it to an EPUB.

Utilities developer Icecream Apps has released Icecream PDF Converter, a capable tool for converting a range of file formats to and from PDF. There are plenty of similar applications around, but ...