The Defiant Agents
by Andre Norton
Publisher: The World Publishing Company 1962
Number of pages: 234
Travis Fox, Apache Indian and an expert in time travel, volunteers for a mission to colonize the planet of Topaz. But when he and his fellow Apaches find themselves reverting to the ways of their ancient warrior race, Fox suspects that a dangerous force is responsible — and that there’s more at stake than just their lives.
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