If "City of Bones" by Cassandra Clare is on your summer reading list, and you can't get a copy of it, type in www.promo.simonandschuster.com/mortalinstruments
The book is available for free online until August 10th.
Here's something else to think about: http://www.twilightthevideogame.com/
Dig Jay Asher's "Thirteen Reasons Why?" His blog has all the international covers for his book. The covers for the UK and Italy are much cooler than the US cover. http://www.jayasher.blogspot.com/