moon-stones, softly shining white jewels whose brilliance waxed and waned in perfect periodic rhythm. "These jewels," Kenniston said, "must have been that pirate's share of the loot. You can imagine how rich John Dark's own hoard must be." The jewels, worth many thousands, swept away the lingering incredulity of the others as Kenniston had known they would. "You're sure no one else knows the wreck is there?" Gloria asked breathlessly. "We kept our find absolutely secret," Kenniston told her. "But since I can't get a ship any other way, I'm willing to share the hoard with you. If I wait too long, someone else may find the wreck." "I accept your proposition, Mr. Kenniston!" Gloria declared. "We'll start for Vesta just as soon as you can get the equipment you'll need loaded on the Sunsprite." "Gloria, you're being too hasty," protested Hugh Murdock. "I've heard of this world with a Thousand Moons. There're stories of queer, unhuman creatures they call Vestans, who infest that asteroid. The danger—" Gloria impatiently dismissed his objections. "Hugh, if you are going to start worrying about dangers again, you'd better go back to Earth and safety." Murdock flushed and was silent. Kenniston felt a certain sympathy for the young businessman. He knew, if these others did not, just how real was the alien menace of those strange creatures, the Vestans. "I'll go right down to the spaceport and see about loading the equipment aboard your cruiser," Kenniston told the heiress. "You'd better give me a note to your captain. We ought to be able to start tomorrow." "Pirate treasure on an unexplored asteroid!" exulted the enthusiastic Robbie. "Ho for the World with a Thousand Moons!" Kenniston felt guilty when he and Holk Or left the big hotel. These youngsters, he thought, hadn't the faintest idea of the peril into which he was leading them. They were as ignorant as babies of the dark evil and unearthly danger of the interplanetary frontier. He hardened himself against the qualms of conscience. There was that at stake, he told himself fiercely, against which the safety of a lot of spoiled, rich young people was absolutely nothing. Holk Or was chuckling as