This book is a heartwarming story about a dragon named Firedrake and his furry brownie friend Sorrel who set of to find the land of peace for dragons called The Rim of Heaven that lies just beyond the Himalayas. The main characters are Firedrake, sorrel, Nettlebrand, Twigleg, Professor Greenbloom, & Ben. The problem is that the valley in which Firedrake lives is about to be invaded with humans. It is up to Firedrake and Sorrel to find the Rim of Heaven, the only place where dragons can live in peace.