All the Weyrs of PernBook - 1991
For use in schools and libraries only. Led by Masterharper Robinton and F'lar and Lessa, the people of Pern excavate the ancient remains of the planet's original settlement and uncover the colonists' voice-activated artificial intelligence system.
Publisher: New York : Ballantine Books c1991.
Edition: First edition
Characteristics: 404 pages :,map ;,25 cm.