Ghost-Walker
Ghost-Walker is a novel written by Barbara Hambly.Plot
Elcidar Beta III, inhabited by the Midgwins, is a planet strategically located between the Federation and the Klingon empire. The Midgwins' refusal to embrace technological advances have left their planet devastated and their people endangered. The U.S.S. Enterprise tries to help but is hampered by a murderous force that roams its corridors seemingly at will.