Star Trek #33 The Klingon Gambit by Robert E. Vardeman. 1990 Titan Edition Paperback.Very Good Condition. Will post second class.

What is pictured is what you'll receive in the post.

Captain Kirk can no longer make decisions, Spock starts to throw temper tantrums, and Chekhov disobeys vital orders. The crew of the "Enterprise" are being driven mad - and the Klingons are responsible.