Amazon.com Product Description (ISBN 0441062431, Mass Market Paperback)

The little-known sequel to "The Beast Master." Hosteen Storm and his all-animal scouting team are still on Arzor. The settled portion of the planet is suffering a terrible drought. And the native tribes, despite lack of water, are gathering in the sere, sinister, virtually unexplored peak country. Why? Storm's team is sent to answer that question. He discovers an unknown underground world and a fantastic plot against the "off-worlders."