Rihannsu
Rihannsu is a five-book series of Pocket TOS novels written primarily by Diane Duane. The first two were published early in the line's history, and it was continued at the end of the numbered novels. The term Rihannsu was retroactively applied to the two earlier books when they were reprinted alongside the third and fourth novels in .

Novels 
 TOS #18: My Enemy, My Ally
 TOS #35: The Romulan Way (with Peter Morwood)
 TOS #95: Swordhunt
 TOS #96: Honor Blade
 TOS: The Empty Chair
Star Trek: Rihannsu (omnibus, books #1-4)
The Bloodwing Voyages (omnibus, books #1-4)

Background information 
The Empty Chair was first released as a purchasable PDF download on the Simon and Schuster website on . It was then published in mass-market paperback in December 2006. 

Published simultaneously with The Empty Chair at the end of 2006 was Rihannsu: The Bloodwing Voyages, a trade paperback omnibus edition containing the first four novels, all revised to bring various continuity details into line with the broader spectrum of Star Trek novels.

External link 

de:Rihannsu
sv:Rihannsu (samlingsutgåva)
Novel series