What is your favorite (or favorites) Sci-fi and/or Fantasy book or book series?

[turbodog]

Ive read these, this is the type of author i like

Eoin Colfer
Orson Scott Card
Jennifer Armintrout
feist
George R. R. Martin
Fred Saberhagen
Michael Crichton
Philip K dick
A. E. van Vogt;
Anne McCaffrey
David Eddings
Darren Shan

I`m looking for great Authors and/or books in his genre that i havent read yet.
Thanks for your help/suggestions.
Sandy