In Crystal Mask, the thrilling, chilling sequel to the award-winning Song Quest, a wild girl, a confused Singer boy from the Isle of Echoes, and a horselord prince join forces to fight the evil force of the fabled masked Khiz priest and his minions. Weeks of travel, fraught with mistrust, avalanche and drowning danger, and a devastating growing understanding of the full diabolical power of Khiz, bring each of these children to the Sunless Valley, where a battle in the black crystal palace will determine the fate of all. Packed with blue gemstones, magical "half creatures," humans who wield power through songs, merlee (mermaids), and breathtaking adventure, this complex fantasy will be tremendously appealing to fans of Katherine Roberts"s Echorium sequence. For some readers, the many convoluted subplots and unusual names will be difficult to follow, but the taut narrative will hold the attention of those who are willing to hang on for the ride. (Ages 11 and older) --Emilie Coulter