ManyBooks is another good site where you can read books online for free. Currently, this site offers more than 50,000 titles. Among all the sites in this list, ManyBooks has the most beautifully-designed interface. You can browse the free books by genre, title, author, or search for any book you want by keywords.How do I download books from my Kindle library?
Cloud: All the books in your Kindle Library appear under the Cloud tab. If a book has a cloud icon in the lower right corner, select the book to read now or download for later use. Downloaded (or Device): Once downloaded, the book will appear under your Downloaded (or Device) tab and is available for reading offline.