Condition: Acceptable. Please see the images for more details.
Cover art: Jack Gaughan
Blurb: “STEPHENS HAD TO SOLVE THE MYSTERY OF THE CENTURIES-OLD
HOUSE THAT STOOD STILL-OR EARTH WOULD BE DESTROYED!
At first Allison Stephens knew only that there was
in a ians: runs de saunabled outs ine spaceship.
THAT STOOD STILL could prevent.
But the immortals planned instead to escape to another planet - leaving Earth to its terrible fate.
Only one of them, the unearthly beautiful Mistra Lannett, agreed to help save the world. During the fateful days that followed, Stephens and Mistra met the challenge to defeat the most indestructible aliens the world had ever known!”