When a mining colony on an endangered moon is threatened, it's a race against time for the Enterprise crew to find a solution in this original novel set in the universe of Star Trek: The Original Series. The USS Enterprise responds to a distress call from a vital dilithium-mining colony in the Klondike system. The colony is located on Skagway, a moon orbiting Klondike-6, a gas giant not unlike Saturn. For unknown reasons, the planet's rings are coming...