Pitt started to leave, then he stopped. There it was again; the same mysterious sound, echoing through the ship’s hull. He stood stock-still, holding his breath for what seemed a lifetime. It was an odd, uncanny sound, like the scraping of a ship’s keel over a submerged rock or coral reef. Pitt involuntarily shivered.

It also reminded him of the way chalk squeaked across a blackboard. The sound lasted for perhaps ten seconds, then it was punctuated with the dull clank of metal against metal.

Pitt had never sat bathed with cold sweat in a cell on San Quentin’s death row, waiting for the warden and the prison guards to escort him to the gas chamber. Nor. did he have to be there to describe the experience for he knew exactly what it felt like. To be alone in a claustrophobic atmosphere, expecting the footsteps of death to come treading from the black unknown, was a blood chilling business. When in doubt, he thought, run like a son of a bitch. And run like a son of a bitch he did. Back through the alleyways, back up the companion-stairs, until at last his lungs were greeted by the pure, wholesome air on deck.

The early morning was still dark and the derricks reached toward the velvet ceiling of a sky that was alive. with a dazzling array of stars. There was scarcely a stir of wind. Over the bridge, the radio mast swayed back and forth across the milky way, and below Pitts's feet, the hull creaked from the rolls of the gentle swells. He hesitated a moment, gazing at the dark line of the Thasos coast, yet a bare mile away.

Then he looked down at the smooth black surface of the water. It looked so inviting. so peaceful.

The flashlight still glowed. Pitt cursed his stupidity for not switching it off when he reached the open deck. Might as well have advertised my presence with a neon sign, he thought. He quickly doused the light. Then carefully, so as not to cut himself on the broken glass, he unwrapped his swim trunks and removed the remains of the lens. He hurled the tiny slivers over the railing and listened till the faint splash, like rain on a pond, reached his ears. He was tempted to deep six the flashlight too, but his mind shifted into gear and rejected the impulse. Leaving the rack in the wheelhouse void of the flashlight would be about as clever as sending the captain, if there was a captain, a telegram and saying, “Just before dawn, there was a prowler on board your ship who ransacked it from stem to stern.” It very definitely wasn’t a smart move, not with people like these who had outfoxed nearly every law enforcement agency in the world. The fact that the lens was missing would be a gamble that Pitt would have to take.

He glanced at his watch as he hurried back to the wheelhouse. The luminous hands showed 4:13. The sun would be blossoming soon. He scrambled onto the bridge and replaced the flashlight in the rack. His haste was almost frantic. He had to be off the ship, into his diving gear and a good two hundred yards distant before daylight gave him away.

The forward deck was still deserted, or at least it seemed to be. A fluttering noise came from behind Pitt. Instantly he spun around in a sudden renewed fear and unsheathed the knife in one deft movement.

His nerves were stretched taut to the border of panic, his head pounded like a drum roll. God, he thought, I can’t be caught now, not this close to safety.

it was nothing but a gull that had flown out of the night and landed in a ventilator, the bird pointed a tiny eye at Pitt and cocked its head questioningly. No doubt wondering what sort of crazy human would run around a ship in the early morning, clothed in nothing but a flotation vest while holding a knife in one hand and a bathing suit in the other. The relief made Pitt feel weak at the knees. It had been quite a scare and he was badly shaken. When he boarded the ship he didn’t know what he expected to find: what he found was silence tinged with unknown terror. Limply he leaned against the railing, getting a grip on himself. At this rate he’d have heart failure or a mental breakdown before sunrise. He took several deep breaths, exhaling slowly until the fear subsided.

Without a backward glance, he swung over the rail and shinnied down the anchor chain, vastly relieved at departing the ghostly ship. It was a welcome comfort to be in the soothing water again. The sea opened its arms and gave him a sense of remoteness from danger.

It took only a minute for Pitt to slip on his swim trunks and retrieve his diving gear. Fitting an aqualung tank on your back in the darkness with the swells pushing you against the sides of a steel hull Isn’t an easy operation. But the Ditch and Recovery experience he had obtained during his early diving days came in handy now, and he accomplished the task with little effort. He looked around for the wooden crate, but it had drifted into the black curtain of night and disappeared; the wave action and incoming tide, by this time, carrying it half way to the beach.

He lay there dead in the water and considered the possibility of diving under the Queen Artemisia and examining her hull. The weird scraping noise he had heard in the engine room seemed to have come from somewhere outside the plates and below the keel. Then it occurred to him the plan was hopeless.

Without an underwater light he could see nothing. And he wasn’t in the mood to grope like a blind man along a four-hundred foot hull that was encrusted with razor sharp barnacles. He’d heard old tales that described in detail the ancient and brutal practice of keelhauling insubordinate British sailors. He remembered one particularly bloodcurdling account of a gunner’s mate who was dragged under the keel of the H.M.S. Confident off the coast of Timor in 1786. Punished for stealing a cup of brandy from the captain’s locker, the poor fellow was dragged under the keel of the ship until his body was sliced to ribbons and the white of his ribs and backbone were visible. The unfortunate man might have survived, but before the crew could hoist him back on board, a pair of Mako sharks, attracted by the scent of blood, attacked and chewed the man to pieces before the horrified eyes of the men on deck. Pitt knew what a shark could do. He had once pulled a boy from the surf in Key West who had taken a nasty bite by a shark. The boy had lived, but a massive piece of tissue would always be missing from his left thigh.

Pitt cursed out loud. He must stop thinking about things like that. His ears began to ring from a humming sound. At first he thought it was a trick of his imagination. He shook his bead violently: it was still there, only louder; it seemed to be gaining momentum. Then Pitt knew where the humming was coming from.

The ship’s generators had started again. The navigation lights blinked on, and the Queen Artemisia suddenly came alive with sound. If there was ever a time when the better part of valor was discretion, it was now. Pitt clamped the mouthpiece of the regulator between his teeth and dove clear of the ship. He kicked his fins with every ounce of power in his legs, seeing nothing under the ink black water, hearing only the strange gurgling sound of his exhaust bubbles. It was times like this that he wished he didn’t smoke. After covering nearly fifty-five yards, he surfaced and looked back at the ship.

The Queen Artemisia rode at anchor in tombstone solitude, her silhouette outlined against the graying eastern sky like an old fashioned shadowgram.. Dim shafts of white light came to life here and there about the ship, interrupted only by the green glow of the starboard navigation light. For several minutes nothing more happened. Then without any signal or shouted command, the anchor clattered up from the seafloor and clanged into the hull. The wheelhouse was lit and Pitt could see it clearly; it was still vacant.

It just can’t be, he repeated to himself over and over again: it just can’t be. But the old ship hadn’t yet finished the last act of her ghostly performance. As if on cue, the Queen Artemisia’s telegraph jangled faintly across the calm predawn sea. The engines responded with their gentle throb, and the ship continued on her voyage: the secret of her evil cargo still locked somewhere within her steel plates.