For thousands of years the big brain served as a master switchboard for the thoughts and emotions of humanity. Now the central mind was showing signs of decay ... and men went mad.
The astounding discoveries of Khan-li of Dimph-yoo-chur have thrown floods of light upon the domestic life of the Mehrikan people. He little realized when he landed upon that sleeping continent what a service...
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...
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.
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!
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...
This book collects and blends five previously published stories about Gerry Carlyle, a worldwide celebrity who travels to different planets collecting alien animals for the Interplanetary Zoo in London.
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...
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.
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...
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...
