Mysterious, dark, out of the unknown deep comes a new satellite to lure three courageous Earthlings on to strange adventures. Excerpt The one hundred and fifty-ninth floor of the great Transportation...

Once more Chet, Walt and Diane are united in a wild ride to the Dark Moon-but this time they go as prisoners of their deadly enemy Schwartzmann. Excerpt In a hospital in Vienna, in a room where sunlight...

On the fatal sevenths of September a certain Secret Service man sat in the Presidents chair and-looked back into the Eye of Allah.

Chet Ballard answers the pinpoint of light that from the craggy desolation of the moon stabs out man's old call for help. Excerpt The venerable President of the Federation Aeronautique Internationale...

There were papers on the desk, a litter of papers scrawled over, in the careless writing of indifferent students, with the symbols of chemistry and long mathematical computations. The man at the desk...