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...

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 ...

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...

A dangerous experiment in physics to create a sun in miniature results in a strange invasion from the fourth dimension.

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...

When Dr. Mark Haslam encounters Esau Jones, he's astonished to learn that Jones can perform apparent miracles. But despite his amazing gift of complete mastery of mind over matter, Jones is content to remain anonymous, living the life of a country rustic. Until, that is, the Earth faced destruction when Haslam's atomic experiment goes horribly wrong-spreading an advancing tide of dissolution...Decreation!

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.

When the Solar System is doomed to absolute destruction by the close passage of a renegade star, super scientist Evelyn Stokes is Earth's only chance of survival.

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...

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...

Max Harborn and his wife Eva, the first space explorers to visit Mars, discover an almost dead world of endless deserts. Lifeless, that is, except for a few curious Martian moths, paradoxically existing in the absence of vegetation and water. Two of the living moths are brought back to Earth, along with samples of rocks, sand, and atmosphere. But once back on Earth, the two moths, male and female, escape from captivity, and begin breeding at a prodigious rate. The alien grubs are capable o...

Did it ever occur to you what might happen if you found yourself compelled to tell the truth for the rest of your life, because all power of telling a lie was gone? It would seem that since a great bulk of our society is built upon sham and pretense, things would come to a pretty pass if the power of untruths were destroyed.