The thirty-year-old peace between the humans and cat-like aliens on the planet Doona once again is threatened by unrest when the Gringgs, a race of alien visitors, propose both friendship and trade and Doona's leaders begin to question their motives.
Anne McCaffrey, the Hugo Award-winning author of the bestselling Dragonriders of Pern® novels, is one of science fiction's most popular authors. With Elizabeth Ann Scarborough she co-authored Changelings and Maelstrom, Books One and Two of The Twins of Petaybee. McCaffrey lives in a house of her own design, Dragonhold-Underhill, in County Wicklow, Ireland.



