LOTR Trilogy - Tolkien
Interview with the Vampire - Anne Rice (enjoyed the movie more than the book)
A Time to Kill - John Grisham
It - Stephen King
Harry Potter - JK Rowling
The Other Boleyn Girl - Philippa Gregory
A Game of Thrones (HBO series) - George R. R. Martin
I'm sure there are more, I just haven't thought of them yet