Mark and Jack enroll in the Universal Electrical & Chemical College, and meet the inventor Santell Roumann. Santell has discovered a new fuel source called Etherium, and together the group builds a rocket ship...
The adventuresome crew builds a submersible craft, the Dolphin, that runs on sea water and chemicals. On the maiden voyage they battle sea monsters, pass through a sunken graveyard, and discover an opening that...
Jack and Mark build an airship and head North, hoping to find a rare plant that grows only in Alaska. But a freak earthquake causes a chunk of the Earth, along with our protagonists, to fly into outer space.
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...
In or about the year 2000, humanity has reached "that incredibly lofty goal to which its intrinsic efforts can carry it" — but rejected everything but crass materialism. Technology has advanced to the point...
Excerpt:"What's the latest weather report down at the post office, Max?""More rain coming, they say, and everybody is as gloomy as a funeral.""My stars! the poor old town of Carson is getting a heavy dose this...
Lindon, known as Don, is a boy in his late teens who has left school, and who lives with his mother and uncle Josiah, his father being dead, and works as a clerk in the office, the business being sugar and tobacco...
You can measure everything these days--heat, light, gravity, reflexes, force-fields, star-drives. And now I know there even is a... Measure for a Loner.
That the gentleman in question was a nut was beyond question. He was an institutionalized psychotic. He was nutty enough to think he could make an atom bomb out of modeling clay!
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 hope...
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 tingle....