The Secret History by Donna Tartt. Everyone ought to read this; I genuinely believe it's one of the best books I've ever read.
Also:
The Book Thief by Marcus Zusak.
Invisible Monsters/Fight Club/Choke by Chuck Palahniuk.
The Picture of Dorian Gray by Oscar Wilde.
1984 by George Orwell.
Sputnik Sweetheart by Haruki Murakami.
The Motel Life by Willy Vlautin.
The Great Gatsby by F. Scott Fitzgerald.
The Cutting Room by Louise Welsh.
My Brother's Gun by Ray Loriga.
Brighton Rock/A Burnt-Out Case by Graham Greene.
White Noise by Don Delillo.
Satan Wants Me by Robert Irwin.
If Nobody Speaks of Remarkable Things by Jon McGregor.
Atonement by Ian McEwan.
Notes from an Exhibition by Patrick Gale.
Ah, books. How I love them