Best books that I've read in 2004:

The Bug by Ellen Ullman (here's my writeup)

Time and Again by Jack Finney ( mentioned here)

Thinking in Pictures: And Other Reports from My Life with Autism by Temple Grandin (to be reviewed soon)

Flicker by Theodore Roszak (to be reviewed soon)

Subwayland : Adventures in the World Beneath New York by Randy Kennedy (to be reviewed soon)