Dragon haven

As the dragons, the humans--including the strong and defiant Rain Wild girl Thymara; the wealthy dragon scholar and Trader's wife, Alise; and her companion, the urbane Sedric--and their magical supply barge, captained by the gruff Leftrin, forge their way ever deeper into uncharted wilderness, human and beast alike discover they are changing in mysterious and dangerous ways-- and that all of them may not survive.