The planet Mercury. Forty million miles from the Sun, following his eccentric orbit, one side of him solid with the frost of untold cycles of time, the other molten whereon metals boiled and sizzled in the incredible heat of the sun. A world utterly dead, a terror-planet, but such is the spirit of adventure in Man that even here he was exploring...

What happened to Walter Cardish, epicenter of a freak storm in the Lake District? The source of the strange lightning that struck him was a complete mystery, but only until its curious mental effect on Cardish became apparent.

From the ether came mysterious messages announcing that a hitherto unknown Englishman had conquered space, flown to Venus, and is now on his way back to Earth. The fact that science's most highly developed range and frequency finders are unable to pinpoint the actual source of the voice is looked upon as absolute proof that they are hearing from outer space. The aggressive and autocratic quality about the way in which the eccentric Ardath Steele makes his proclamations not only annoys Bett...

Claire Escott had ignored her father's warning against involvement with her fiancé Mark Rowland. However, she little realised the extent of the scientist's corroding ambition when he invents a method of matter transmission. And it was not long after their marriage that Rowland's ruthless pursuit of a scientific empire encompassed a horrifying murder. But that was only the start of things. Mark's scientific genius and obsessive ambition to go one step further eventually led to the conquest ...

A super computer asked to answer the question "what is time?" freezes Earth and everything on it in a single moment in time.

On her maiden voyage to Venus, the space liner Cosmic Cloud encounters a mysterious voice speaking through the void. The language is alien-but it is realised that danger threatens. Hardly has a recording been sent to Earth for expert interpretation before a mysterious gong is heard in the space liner, followed by further nerve-shattering notes until, abruptly, the space liner is utterly destroyed. Eventually it is learned that a diabolical mechanism is buried somewhere on Venus, l...

Ward Jackson and his wife make an incredible spaceship journey, exploring every planet in the solar system from Mercury to Pluto, in an attempt to unravel the cosmic mathematical mystery of the number 9 by finding machines and clues buried on each planet by a long-vanished alien race. Jackson believes that the ninth son of a ninth sun should have the inherent gift of leading his race to domination if the continuity was not broken. A rousing interplanetary odyssey based in the odd facts sur...

Earth is enveloped in what seems at first to be to be a harmless cloud of cosmic dust. But it leaves behind a deadly disease, dooming every human being on Earth unless an antidote can be found. Medical experts strive to find this antidote, but have to report failure. At this stage a mysterious woman arrives from Jupiter with the antidote mankind so desperately needs, but she demands in return the services of Doctor Meadows as her mate; he will have to return with her to Jupiter to help reg...

Dayton Raslor, owner by inheritance of a successful spaceship corporation, is imprisoned in a penal colony on Jupiter for a crime he didn't commit. He had been framed by three ruthless industrialists on Earth who are plotting to take over his Spaceline. Raslor manages to escape from Jupiter with the aid of the son and daughter of his company's financial director, who had been driven to suicide after also being framed by the same industrialists. The trio plot their revenge by forming "The B...

In the year 2150 A.D. immortal Atlanteans living underground on the planet Saturn help a stranded astronaut and his girl friend overthrow the ruthless Earth dictator who tried to kill them.

Jeremy Clyde is a young scientist who discovers that Time is a circle, and that deep within the human brain is a memory 'hangover' of future and past events. He carries out an experiment on himself and succeeds in mentally projecting his body 2,000 years into the future. Here he learns that his arrival in 3950 has been anticipated, and incredibly, he is appointed as the nominal ruler of the four inhabited inner planets, Mercury, Venus, Earth and Mars. But he discovers he is only a puppet f...

That a planetoid of solid gold might exist in the Solar System is not beyond scientific possibility, insofar that our own Earth is basic nickel-iron, so might another world - of smaller size perhaps - be of basic god. Such a world is ZK/70, a planetoid in the region of the Asteroidal Belt.Why, when he discovered the golden planetoid, did not Professor Brailsford bring back with him enough of the precious metal or gold dust to make himself financial dictator of the Earth? Why? That ...