Harper Hall Trilogy - Pern3 books in series
Dragondrums Publisher's Summary
Once again Pern is in danger. The air trembles with Threadfall, and the holds seethe with rebellion. Piemur, his singing ended by a change of voice, is given a new assignment. On a bold mission to the Southern Hold he will learn the Oldtimers' secret and help Pern rediscover its lost heritage.©1993 Anne McCaffrey (P)1993 Dove Audio, Inc.