In two related adventures, Travis Fox and Ross Murdock are stranded on two separate planets where they discover that the fate of those worlds, and possibly the galaxy itself, will be determined by their actions.

Operation Cochise: a carefully planned Western move to colonize a planet ahead of the Russians. Travis Fox had been an eager volunteer, but the morning he dragged himself half-conscious from the wrecked spaceship on the planet Topaz, he sensed the terror which would threaten the project. Travis never learned why the ship had crashed, nor why he and the other Apache agents had been shot into space without warning. But he quickly finds that the Russians...

Collected in one omnibus edition are three of Andre Norton's best known works: 'The Time Traders,' 'The Defiant Agents,' and 'Key Out of Time.' Join Ross Murdock on these three fantastic adventures in time as he's called on to save Terra again and again.