The planet Kirlos is an artificial world built by a mysterious, long-dead race called the Ariantu. This wondrous sphere holds a wealth of undiscovered archaeological treasures, which the U.S.S. Enterprise and its crew are dispatched to uncover.

Doomsday World 1991, Star Trek

ISBN-13: 9780671741440

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Doomsday World 1990, Pocket Books

ISBN-13: 9780671702373

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Doomsday World 1990, Titan Books Ltd, London

ISBN-13: 9781852863180

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