Young Writers Society

So far.. I'd day that I really dig The Name of the Wind, from the Kingkiller Chronicle trilogy by Patrick Rothfuss. I have yet to read the second tome.
...I have yet to read it in English, actually.

EDIT: OH WAIT.
There's also the Chronicles of the Emerged World series, the Eragon series (loved that ending), the Ewilan series, the Tara Duncn Series, the Percy Jackson series (and I do include Heroes of Olympus)...
Yup. MANY choices.

Too many to choose.
LotR (All of 'em.) It's lord of the rings. No further explanation.
Deadbeat (Dresden Files) Two words: Zombie T-Rex
Brandon Sanderson's complete portfolio: Has he written a bad book? Not in my opinion.
The Wise Man's Fear (Kingkiller Chronicle, the second is best)
The Shadow Rising: (Wheel of Time book four.)

Some people have said this already, I think, but definitely the entire Eragon series. They're awesome.

Oh, and as @Megrim and @Meandbooks wrote... Brandon Sanderson is amazing. I love The Rithmatist.

Why did I never reply to this the first time around? :0

Favourite has to be The Raven Cycle books by Maggie Stiefvater. Her writing is just whoa, and the characters are amazingly developed. The incorporation of magic into the real world is done in a really believable way, as well, and the second book is one of my absolute favourite books I have read.

There's alos the Skulduggery Pleasant books, which are just so much fun, and also emotionally tormenting. They were a major constant through my life for several years, and I cried when I finished the last one, not because the ending was sad but because I'd never read a Skulduggery Pleasant book for the first time again. After nine books (not counting the novella or any of the short stories) and five years of my life, it was hard to say good bye. They were awesome to grow up with. If you haven't read them, definitely recommend.