Millennium Trilogy by Stieg Larsson. I usually don't read this type of book but I read "The Girl With the Dragon Tattoo" because of all the talk about it and was instantly hooked. Too bad he only wrote these 3 before he passed away.
To Kill A Mockingbird, This is a study guide for To Kill A Mockingbird by Harper Lee. During the first half of To Kill A Mockingbird Harper Lee constructs a sweet and affectionate portrait of growing up in the vanished world of small town Alabama.