poppler-utils is a collection of command-line tools for working with PDF files. It's based on the Poppler PDF rendering library, which is widely used in Linux environments. pandoc is a document ...

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.