Lumatere Chronicles-by Melina Marchetta (slightly more adult than things i usually read...)
Shannara Series-by Terry Brooks
The Belgariad Series and the Mallorean Series-by David Eddings
Wyrmeweald Series-by Paul Stewart and Chris Riddell
Inheritance Cycle-Christopher Paolini
The Wheel of Time Series- Robert Jordan (Im only up to 4 out of 14 but I'll get there!)