Descripcion del libro:
**Moreta - Dragonlady of pern**: An ai of pleasant anticipation hung so thickly over the Halls, Holds and Weyrs of Pern that it had affected even the businesslike ways of Mareta, the weyrwoman of Fort Weyr, where her dragon, Queen Orlith, would soon cluton.
Then without warning, a runnerbeast fell ill. Soon mmyriadsof holders, craftsmen, and dragonriders were dying; and the mysterious ailment had spread to all but the most inaccessible mysterious ailment had spread to all but the most inaccessible mysterious ailment had spread to all but the most inaccessible holds. Pern was in mortal danger. For, if dragonriders did not rise to char Therea, the parasite would devour any and all organic life it encountered.
The future of the planet rested in the hands of Moreta and the other dedicated, selfless Pernese leaders.
But of all their problems, the most difficult to overcome was time...
