THE MAIL-TUBE WENT ping! and he opened his eyes, swearing. For a moment he was tempted to let the pneumo-roll lie where it fell, but habit was too strong. He grumbled his way over to the basket and took it out. The stamp across it jerked his mind to wakefulness. OfiSal, sEkret, fOr adresE OnlE—and a Security seal! After a moment he swallowed his thumping heart. It couldn’t be serious, not as far as he personally was concerned anyway. If that had been the case, a squad of monitors would have been at the door. Not this message tube.... He broke the seal and unfolded the flimsy with elaborate care. Slowly, he scanned it. Underneath the official letterhead, the words were curt. “Dis iz A matr uv urjensE and iz top sEkret. destrY Dis letr and Du tUb kontAniN it. tUmOrO, 15 jUn, at 2130 ourz,

