Rihannsu

Rihannsu is a Star Trek: The Original Series miniseries by Diane Duane with Peter Morwood. The first two novels—My Enemy, My Ally and The Romulan Way—were originally published as stand-alone (though interconnected) adventures. When a follow-up duology was published in 2000, the first two were reprinted under the umbrella title Rihannsu. In December 2006, the fifth novel, The Empty Chair, was p...