Nothing on my desk, but on the floor between my bed and the desk:

Brave New World - Aldous Huxley

Kill Your Boyfriend - Grant Morrison (do comics count?)

The Tao Te Ching, Brian Browne Walker Translation

The Tao Te Ching, James Legge Translation

Godel, Escher, Bach: an Eternal Golden Braid - Douglas R. Hofstadter

The Life and Times of Rasputin - Penny Stempel

Luminous - Greg Egan

Virtual Light - William Gibson

The Mind of God - Paul Davies

The Book of Nothing - John D. Barrow

Slaughterhouse 5 - Kurt Vonnegut, Jr.

The Elegant Universe - Brian Greene