What started out as an innocent campus prank at Space Academy almost cost the Polaris unit the chance to become officers in the Solar Guard. For punishment, Tom, Roger, and Astro were assigned to spend all t...
Calling all boys and girls to Mercury, Venus, Jupiter and all points in outer space -- You, too, can be a part of the group of daring adventurers from the Space Academy who travel to mysterious lands in oute...
This is the story of how Bull Coxine with his crew of cutthroat pirates came within an ace of taking control of the space lanes by threatening to destroy the great Solar Alliance, and how Tom Corbett and his...
When Tom Corbett and his Polaris unit mates, Roger and Astro, were assigned to the great expedition of one thousand space ships carrying pioneer colonists billions of miles to the satellite Roald, they did n...
For the young cadets of the famous Space Academy Polaris unit a month's leave would seem to be a perfect time for rest. But they have other ideas when they plan a trip to the jungles of Venus. There they hop...
When Tom Corbett and his two pals are assigned to monitor the three giant spaceships which are entered in the most famous race in all space history, an adventure begins which is bound to make your blood ting...
A sky pirate armed with superior weapons of his own invention....
First contact with an alien race dangerous enough to threaten the safety of two planets....
The arrival of an unseen dark sun whose attenda...
Will Barrent had no memory of his crime . . . but he found himself shipped across space to a brutal prison-planet. On Omega, his only chance to advance himself -- and stay alive -- is to commit an endless se...
When the Inter-Planetary Corporation's top spaceliner Arcturus took off on a routine flight to Mars it turned out to be the beginning of a most unexpected and long voyage: attacked by a mysterious spaceship,...
While the circumnavigation of the solar system seems farfetched, it may not be once the problem of effective anti-gravitational control is solved. In this book I have assumed that the many researchers now ac...
Dismantling the dirigible-ship Monarch & the submarine Porpoise, our crew constructs from the combined parts the Flying Mermaid which is both airship & submarine. They leave their home in Maine & head for a ...
The star Mira was unpredictably variable. Sometimes it was blazing, brilliant and hot. Other times it was oddly dim, cool, shedding little warmth on its many planets. Gresth Gkae, leader of the Mirans, was s...
The last enemy was the toughest of all--and conquering him was in itself almost as dangerous as not conquering. For a strange pattern of beliefs can make assassination an honorable profession!
''Dave stared around the office. He went to the window and stared upwards at the crazy patchwork of the sky. For all he knew, in such a sky there might be cracks. In fact, as he looked, he could make out a r...
Dekker, back from space, found great physical changes in the people of Earth; changes that would have horrified him five years before. But now, he wanted to be like the rest--even if he had to lose an eye an...
The planet itself was tough enough--barren, desolate, forbidding; enough to stop the most adventurous and dedicated. But they had to run head-on against a mad genius who had a motto: Death to all Terrans!
The problem of separating the friends from the enemies was a major one in the conquest of space as many a dead spacer could have testified. A tough job when you could see an alien and judge appearances; far ...
The Masters had ruled all space with an unconquerable iron fist. But the Masters were gone. And this new, young race who came now to take their place--could they hope to defeat the ancient Enemy of All?
The alien spaceship was unthinkably huge, enormously powerful, apparently irresistible. It came from the void and settled on Earth, striking awe into the hearts of all who saw it. Its burden, however, was no...
Jules is a young man barely a century old. He's lived long enough to see the cure for death and the end of scarcity, to learn ten languages and compose three symphonies...and to realize his boyhood dream of ...
