From the back cover:
"The Northern Reaches of Talislanta have long been shrouded in mystery. In The Northern Reaches you will discover:
* The ways of the Mirin and their sinister cousins the Rasmirin.
* The secrets of the Ice Giants of Narandu.
* The brutal society of the Ur and their slave races.
* The masters of the northern forests: The Jaka.
* The lands of the Yrmanian wildmen, the mysterious Malum, and the peculiar Snipes.
* New archetypes, equipment, creatures, and more."