Swordhunt - Star Trek: The Original Series, Book 95

When readers last saw Ael t'Rllaillieu, she rescued Dr. Leonard McCoy from the very Senate Chamber where he was to be executed, stole the Sword in the Empty Chair, and fled into Federation space. Now, as the Romulands seeks to recover the sword at any cost, Ael must deter war, foil her enemies, and keep ship and crew safe.