Lucky Starr series

David Starr, Space Ranger

From back cover Signet paperback December 1971: **planet in turmoil!** The Solar System had long ago been colonized by an Earth suffering from a dwindling food supply and a millionfold increase in population. The colonies were her very lifeblood. Without the daily flow of products from them, Earth would experience mass starvation and chaos within weeks. Suddenly and unexpectedly, reports of fatal food poisoning, traceable to Martian produce, began to reach the ruling Council of Science. Each new case was treated with intense secrecy for it the people of Earth learned the cause of these deaths, a worldwide panic would surely ensue. To David Starr, Space Ranger, these deadly incidents formed a terrifying pattern -- they were clearly part of a clever and brutal scheme by an alien conspiracy to cripple Earth's economic life and topple its government!

Lucky Starr and the Pirates of the Asteroids

Lucky Starr and the Oceans of Venus

The third novel in the Lucky Starr series, six juvenile science fiction novels by Isaac Asimov that originally appeared under the pseudonym Paul French. Shortly after returning from the Asteroid Belt, David "Lucky" Starr learns that his Science Academy roommate Lou Evans had been sent to investigate trouble on Venus, but the Council of Science office on Venus has requested that he be recalled and investigated for corruption. As Starr and John "Bigman" Jones are shuttled to Venus, their pilots suffer an episode of paralysis, and Starr is required to keep their craft from smashing itself against the surface of the Venusian ocean. Afterwards, the pilots have no memory of the event. Upon reaching the Venusian city of Aphrodite, Starr and Bigman meet Dr. Mel Morriss, head of the Council of Science on Venus, who explains that Venusian scientists are perfecting strains of yeast that can be processed into luxury foods for export; whereas for six months there has been a growing series of incidents of bizarre behavior among the human colonists, often followed by amnesia. Morriss believes they are being telepathically controlled by an unknown enemy.

Lucky Starr and the Moons of Jupiter

Lucky Starr and the Rings of Saturn

Earth officials were hard on the heels of the mysterious Sirian spy, Agent X, when he blasted off in a stolen spaceship. But before they could catch him, the master spy jettisoned the capsule that held his report into the icy rings of Saturn. In a flash, Lucky Starr and Bigman Jones found themselves in a race with the Sirian war fleet to recover it. When the Sirians couldn't find the capsule, they kidnapped Lucky and Bigman, bringing them to their secret military base on Titan. There the arrogant Sirian commander offered Lucky a terrible choice: turn traitor to Earth—or Bigman would die! It was not an idle threat.