Three books, one-click.
Pasha Malla's The Withdrawal Method, which just won Canada's DANUTA GLEED Literary Award for best first collection of short fiction, and may I mention how adorable and funny Pasha Malla is? He scored $10,000 for this one, drinks on Pasha!
Also one-clicked Dennis Lehane's Gone Baby Gone for particular inspiration, and Jhumpa Lahiri's collection Unaccustomed Earth, whose stories, I hear, are so good they make you slit your wrists and gouge out your eyes.
As always, I encourage supporting independent bookstores (but Amazon is so fucking cheap, whaddareya gonna do?)