Real World article
(written from a Production point of view)

Star Trek: The Original Series – Errand of Vengeance is a trilogy of Pocket TOS novels written by Kevin Ryan and published by Pocket Books in 2002. It follows the events of the five-year mission of the Original Series, told from the point of view of a Klingon infiltrator whose mission is to kill Captain Kirk.

The story continues in the Errand of Fury trilogy.


  1. The Edge of the Sword
  2. Killing Blow
  3. River of Blood

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