Petaybee Series


The Petaybee Series is a series of young-adult science fiction novels by Anne McCaffrey and Elizabeth Ann Scarborough.

Powers trilogy

The first Petaybee series, the Powers trilogy, consists of three books: Powers that Be published in 1993, Power Lines and Power Play.
The series centers on Major Yanaba Maddock, a disabled soldier sent to the glacial planet of Petaybee as a spy. Petaybee turns out to be a planet awakening to sentience; Yana's goal becomes protecting the planet from corporate exploitation.

Twins of Petaybee trilogy

The book Changelings is the first of a trilogy called The Twins of Petaybee which begins where Power Play leaves off. It concerns the twin children of Yana Maddock and Sean Shongili, the selkie geneticist. The second book in the series, Maelstrom, was published in 2006. The third book, Deluge, was released in February 2008.