Contains four science fiction novels:

• The Skylark of Space
• Skylark THree
• Skylark of Valeron
• Skylark Duquesne

When Dr. Richard Seaton electrolyzes the heretofore unknown metal "X" in a copper bath, the bath flies out th window and across the horizon at such velocity he has difficulty tracking it with binoculars.  Teaming up with tycoon M. Reynolds Crane, he uses his incredible discovery to craft the most advanced spaceship in the world -- a forty-foot diameter, globe-shaped craft traveling many times fastre than the speed of light!  Unfortunately, Dr. Marc DuQuesne has learned of the discover...

Hardcover with jacket, book club edition.  Never read.