Find free books, online, PDF and ePub formats, including copyright material:

10+ million books, and 84+ million articles https://z-lib.org/ 78+ million free eBooks on this great site: http://www.pdfdrive.com/

Please contact us if the link stops working, or if you have others sites we should include – collective@yetu.coop

Also check out Calibre. a powerful free/mahala open source and easy to use e-book manager. It takes things a step beyond normal e-book software.