"Guard your pearl, middle species," Aladdo's voice was ironic once more. "Escape, and with it you may buy a pardon!" Without a backward glance, the Venusian moved on with nightmare slowness through the swirling mists, pushing his basket into which the Josmian globes were loaded. Escape, Mark thought, following the Venusian. He did not need to escape, he could signal the prison ship to pick him up the next time it arrived. He wondered if he should. He had been here two months, and they were an eternity that dwarfed any concept of hell. But he hadn't any clue to the mystery of the escaping convicts, and he could hardly return with a confession of failure. He looked ahead through the mists, at the slender body of Aladdo in its tight-fitting sheath of metallic blue. "I would miss Aladdo," Ma

