Here are some websites that might help:
http://www.whatshouldireadnext.com/ -At this site, you type in the name or author of a book you like, and it will give you suggestions! Sa-weet!
For Hunger Games fans- http://www.lawrence.lib.ks.us/2012/07/if-you-liked-the-hunger-games-3/
For a bunch of reviews for lots of different kinds of books- http://www.sarahsbookshelves.com
List of 1001 books you should read before you die- http://www.listology.com/ukaunz/list/1001-books-you-must-read-you-die
High interest books- http://blog.hpb.com/hpb-blog/2012/4/9/40-books-you-wont-be-able-to-put-down.html
Books read by Rory Gilmore on The Gilmore Girls (a really good reading list- some classics, some contemporary) http://bookreviews.me.uk/rory-gilmore-reading-challenge/