In this first sequel to The King of the Trees, Rolin and Marlis are enjoying a carefree autumn picnic with their griffin friends Windsong and Ironwing when they are trapped between worlds in Limbo, a place that is not a place. Too late they learn the connections among a silver starglass, a handful of pearls and five ravens. Cut off from friends, family and each other, they must survive in a hostile land where unwary travelers fall...