"Ender's Game - Orson Scott Card
Hunger Games - Suzanne Collins
Wind on Fire Trilogy: The Windsinger, Slaves of the Mastery, and Firesong - William Nicholson
"
The Handmaid's tale - Margaret Atwood
Neuromancer - William Gibson
The Running man - Richard Bachman (Steven King)
The Long walk - Richard Bachman
Children of men - P.D. James
Fahrenheit 451 - Ray Bradbury
1984 - George Orwell
Brave new world - Aldous Huxley
V for Vendetta - Alan Moore (Graphic novel)
Smith's dream (Sleeping dogs) - C.K. Stead
Things we didn't see coming (Short stories) - Steven Amsterdam
The Unit - Ninni Holmqvist
Others that may fit in, or suit younger readers:
The Cure - Michael Coleman
The Declaration - Gemma Malley
The Gone-away world - Nick Harkaway
Small minded giants - Oisin McGann
This is just a very small list, and only includes titles we hold in our own library.... the public libraries should be able to supply a more comprehensive list, but I'd love to see what others have.