Shakespeare's "Hamlet"
"Engines Of Creation", the seminal work on nanotechnology
The Hitchhiker's Guide To the Galaxy
John Steakley -- Very unprolific but very good. DON'T miss "ARMOR"!!
Ian McDonald: My all-around favorite author
"The Stand" by Stephen King
"The Little Prince" by Antoine de Saint-Exupery
"The Selfish Gene" by Richard Dawkins
"Farenheit 451" by Ray Bradbury
"Ender's Game" by Orson Scott Card