SPACE WAR

Ace Books paperback, 1967. Cover by Gray Morrow.

"The Zoromes had found a way to immortality and thereby were able to set out on centuries-long explorations of the entire galaxy. One among the Zoromes was a human, Professor Jameson, last man of Earth, and his adventures make a saga second to none. 

The Zoromes had made on mistake in their scientific history - they had helped another race of beings change over into machine bodies - the Mumes of the world Mumed. But unlike Jameson, the Mumes did not join in fellowship with Zor. Rather instead they turned on their benefactors, schemed for greater power, and finally the two super-races of machine-men became the bitterest of enemies. 

In SPACE WAR, Professor Jameson finds himself in the thick of a war of the worlds...."

THE SUNLESS WORLD

Ace paperback, 1967. Cover by Gray Morrow.

"Forty million years after the death of Earth, one man's brilliant mind lives on - although strangely encased in an indestructible metal body of a Zorome. Professor Jameson and the machine men of Zor continue their danger-laden explorations of the infinite universe: 

In the kelp cities of a watery hydrosphere planet they encounter the race of the Plekne fish-men, eternally enslaved by the alien Uchke... 

In the core of a hollow world, the Zoromes discover a cavern of bones, picked clean by the flesh-devouring predators who feed upon the humanoid Aytans... 

And through the marvels of a time machine, Professor Jameson views the mausoleum of his planet's history: from the glorious birth of Earth as it splits from Sol, to its ultimate devastated end...."