A shared science-fiction universe about the sentient ice world Petaybee, the people who live there, and the Shongili twins whose abilities connect them to the planet.
The Petaybee Trilogy follows Yana Maddock and her allies as they discover that their remote ice world is alive and must defend it from outside exploitation. Anne McCaffrey co-wrote all three novels with Elizabeth Ann Scarborough. Begin with Powers That Be, then read Power Lines and Power Play in publication order. The follow-on Twins of Petaybee trilogy returns to the same world with a new generation; reading this first sequence establishes the planet's history and the Shongili family connections.
View Series →This follow-on trilogy returns to Petaybee and centres on twins Murel and Ronan, whose unusual abilities connect them to the planet and its creatures. Anne McCaffrey and Elizabeth Ann Scarborough co-wrote all three books. Read Changelings, Maelstrom and Deluge in publication order, after the original Petaybee Trilogy for family and setting context. The route introduces a new generation while continuing the earlier novels' questions about the living planet, outside control and the community's future.
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