An Ebook is normally a stand-alone product that is read while connected to the internet, although there are many that can be read without online access and printed for hard copy. One of the most important features of an Ebook is the capability to read information on your PC and have the awesome ability to click on Internet links embedded in the ebook. These links can access online or bookmarked additional products, information and a wealth of knowledge that is not feasible reading a regular hard copy or paper book or an ebook offline. ( PDF to Ebook Format)