As a few people have requested these... I post them. Note that as far as I know the existence of these letters is known to only a very select group of people.
In which an old friend and a young woman each write to a certain person at High Reaches Weyr, or in which an old nemesis conveys requests.
Derek has found a place of interest to Nera, and invites her to visit it. Along the way they discuss Sedgewick, J'lor, Odern and the future. Something of small moment is proposed and agreed upon.
Derek notes, and takes advantage of, an opportunity. Takes place after this scene in which Derek discovers that Ownah has some problems with some certain guys at the Hold.