An e-book (short for electronic book, also written eBook or ebook)'s an e-text that forms the digital media equivalent of a conventional printed book, often protected with a digital rights management system. E-books are usually read on personal computers or smart phones, or on dedicated hardware devices known as e-book readers or e-book devices. Many mobile phones can also be used to read e-books. History Early e-books were generally written for specialty areas and a limited audience, meant t… (More on E-book)