Valdemar universe. Mage wars

Here is Mercedes Lackey's dynamic new fantasy, set in the prehistory era of her fabled Valdemar. Skandranon is perhaps the finest specimen of the gryphon race, with gleaming ebony feathers, majestic wingspan, keen magesight, and sharp intelligence. When an invading force threatens his realm, he is sent to spy across enemy lines.

In the fantasy city of White Gryphon, the rulers have created a new elite force to protect the city, the Silver Gryphons. Two of its members, Tad and Blade, are assigned to a remote outpost, but to get there they must cross unexplored and dangerous territory.