Good Reads
Best selling books of all time:
http://www.listsofbests.com/list/21-100-best-books-of-all-time
Books you must read before you die:
http://www.listsofbests.com/list/2222
Best clsssic books to have on your shelf:
http://www.listsofbests.com/list/5884-100-classic-novels
New York Times best sellers:
http://www.amazon.com/Books/b/ref=sv_b_3/186-0600738-0346705?ie=UTF8&node=549028
Goodreads best book lists:
http://www.goodreads.com/list/tag/best
Best books of 2015:
Goodreads Choice Awards 2015: