conditioners of a type useless on Mars. Lot 26 sold badly after that disappointment. It proved to be a treasure of rare luminous birds from Venus, and collectors immediately offered the fortunate purchaser triple his money for the lot. "Lot 27," roared the auctioneer before excitement could die down. "Two large boxes to be sold separately. No information on these ... except that they were held overtime in storage and have just been released from police seal. The space crates are undamaged. Who'll open?" Torry felt like a small child back on Earth, clutching moist bronze pennies in his hot, grimy fist as he ran to the corner candy store. Nerves and muscles contracted in his throat. He opened his mouth but no sound came out. "Fifty credits," shouted the Martian who had bought Lot 25. "I want to recoup my losses." He stared belligerently at Torry. Somebody else doubled the bid. Torry found a shadow of his voice and redoubled. Grinning evilly, the Martian raised again, but not before he shot a wary glance across the room. Torry met the challenge, then following the direction of the Martian's glance, he spotted a Martian girl standing near the doorway. She was so swathed in blue Venusian spidersilk as to be practically invisible, and there was time for only a general impression. But Torry did not miss the head-nod signal, instructing the Martian male to bid for her. After the man's previous performance, Torry braced himself for spirited competition. Up and up went the bids ... astronomically. At twenty thousand credits the Martian hesitated for an automatic mute appeal to the feminine figure. The girl nodded again, but that moment's doubt cost the Martian. "... Third and last time. Sold to the Earthman ... for twenty thousand credits." Torry swallowed hard. He saw the girl glide toward him through the crowd, moving as smoothly and silently as a ghost. Like a maniac the Martian charged to the platform, croaking a loud protest. Arguments became heated, voices were raised in harsh clamor, then blows struck. Grinning, Torry watched the scramble. A knot of uniformed company guards surged around the battling Martian and hustled him from the auction rooms. A gas gun was used finally to subdue the raging sportsman. While Torry waited for attendants to bring