Books that made you look at things differently

[BadBoyBenny]

The Brothers Karamazov
A Brave New World

[Victor]

i think every book i ever read.

[Runkmud]

Travels With Charlie

God's Debris

Lucifer Principle

Davinci Code

Electric KoolAid Acid Test

The Timewars series (started reading them at 12, temporal theory blew my mind at that age)

And finally, thanks to my Dad, who had an endless supply of
Analog magazines. (Started reading them way too young to understand them, and grew into them.)