In the tradition of the old "Ace Doubles" two-in-one books (flip one over to read the second title) -- here is the third Wildside Double . . . "Rastignac the Devil," by Philip Jose Farmer and "Despoilers of the Golden Empire," by Randall Garrett. Two oldtime science fiction authors at their Golden Age best!

Simon Wagstaff narrowly escapes the Deluge that destroys Earth when he happens upon an abandoned spaceship. A man without a planet, he gains immortality from an elixir drunk during an interlude with a cat-like alien queen. Now Simon must chart a 3,000-year course to the most distant corners of the multiverse, to seek out the answers to the questions no one can seem to answer.

"The Green Odyssey" by Philip José Farmer is a delightful and imaginative science fiction adventure that follows the escapades of Alan Green, a resourceful hero who finds himself marooned on an alien planet. Farmer's narrative is filled with humor, wit, and unexpected twists as Green navigates the challenges and eccentricities of this strange world. The novel blends elements of classic science fiction with comedic flair, making it a unique and entertaining read for fans of the genre. "The Green Odyssey" is a lighthearted and engaging romp through the cosmos.

Originally a novella titled "Moth and Rust" in Startling Stories 1953. Also as The Day of Timestop and Timestop!. The Cold War Corps was to be the instrument of salvation in freeing Earth from the tyranny of the Haijac Union. It was Doctor Leif Barker's idea, but he was being kept in the dark by his bosses in the March Republic about what the CWC was really doing. Its network of spies spread throughout the world, working towards the Ultimate Solution that would free the Jacks and turn them towards the True Religion. But Barker had suspicions. Which was freedom, which was tyranny? Which of the two super-powers was really the villain of this terrifying tomorrow? In a mad world where love was a sin and sex a crime against humanity he had to discover quickly - before the day of... Timestop!

In this classic fantasy novel a warrior sets out to win a deadly contest to rule a prehistoric empire—and take the hand of its beautiful priestess. The lost city of Opar was first introduced to readers in the Tarzan novels of Edgar Rice Burroughs. Hidden deep in Africa, it is a place shrouded in mystery and awash with incredible riches. In Hadon of Ancient Opar, Hugo and Nebula Award–winning author Philip José Farmer reimagines this forgotten land, revealing the heroes who lived in its prehistoric golden age . . . A poor young man of great ambition, Hadon leaves his village to enter the great games of Klakor—a bloody contest in which only the strongest and most cunning warrior will survive. He seeks the ultimate prize: to rule the Khokarsan Empire alongside the powerful High Priestess. But his quest for the throne leads him beyond the empire’s edge, where he finds himself embroiled in civil war.

Doc Caliban decides he must overthrow the Nine, a group of anient rulers who have discovered the secret of eternal life.

Thirty billion people from throughout Earth's history have been resurrected along the great an winding waterways of Riverworld. Most began life anew - accepting without question the sustenance provided by their mysterious benefactors. But a rebellious handful burned to challenge the unseen masters who controlled their fate Now, these adventures of Riverworld have penetrated the great tower which rises from the amazing planet's north polar seas - and within it is the mighty computer which controls the resurrection of billions of human beings. It is inside this giant tower that Sir Richard Burton, Alice Liddell Hargreaves, Peter Frigate and Li Po meet their greatest challenge - and their deadliest foe. The incredible secret behind the Riverworld is about to be unveiled . . .