The Ultimate Vampire Resource and Directory

HUMANS AND ALIENS, SCIENTISTS
AND CRIMINALS
AND A MENACE BILLIONS OF YEARS OLD

Hans Rebka had been everywhere and done everything. Now he was going to try to solve the galaxy's most persistent mystery he was going to penetrate Paradox.

Paradox is an Artifact, one of the huge mystifying structures left by an ancient, supremely powerful and vanished race. Many had entered Paradox before Hans Rebkabut no one has ever left, at least not with mind intact.

But as a troubleshooter, Hans Rebka is in a class by himself. Though he doesn't know it, he's about to uncover the secret of the Artifactsand by so doing, loose on the galaxy the most hideous menace the humans or any other alien civilization has ever encountered.