01v Dragonheart (Dragonriders of Pern, Book 22)

Blurb

Dragonheart is a science fiction novel by Todd McCaffrey in the Dragonriders of Pern series that his mother Anne McCaffrey initiated in 1967. Published by Del Rey Books in 2008, it was the second for Todd as sole author and the twenty-second in the series. Written after his first book, Dragonsblood, it is a concurrent-time book as opposed to a prequel or sequel.
The frame story of Dragonheart takes place in a few days of winter 508 AL, weeks after the beginning of the Third Pass and its attendant Threadfall.