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...
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.
Orphans Mark and Jack are fostered by Professor Henderson, with help from the professor's assistant Washington White and his friend Andy Sudds, the big game hunter. In their first adventures the Professor builds...
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...
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....
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 outer...
Marcus, a.k.a “w1n5t0n,” is only seventeen years old, but he figures he already knows how the system works–and how to work the system. Smart, fast, and wise to the ways of the networked world, he has no...