A Game of Thrones by George R.R. Martin

These should keep you busy while you wait for A Song of Ice and Fire VI:

Magician by Raymond E. Feist for an epic tale of two boys swept up in war

Assassin’s Apprentice by Robin Hobb for deception and conspiracy

Wizard’s First Rule by Terry Goodkind for bloody battles and sexy times

Dragonflight by Anne McCaffrey because dragons