Another blood-curdling scream rang out which was suddenly cut short.

Conrad shot forward and tore up the rest of the stairs, cursing himself for not bringing a gun with him.

As he reached the landing, he saw a front door that stood half open. He was half-way across the landing when the door jerked fully open and a big, thick-set man came out. His swarthy, brutal face, under a pulled-down black slouch hat, tightened when he saw Conrad, and his right hand slid inside his coat.

Conrad took off in a flying tackle. His right shoulder slammed against the big man’s thighs, and they went down together in a heap on the floor.

The big man had got his gun out and he took a side swipe with the barrel at Conrad’s face, but Conrad saw it coming, got his shoulder up in time and took a numbing blow on the fleshy part of his bicep that made him wince.

He grabbed hold of the big man’s wrist with his left hand and drove his right fist into the big man’s face. His knuckles smashed against teeth that gave under the impact, and the big man cursed.

Conrad swung the big man’s hand against the wall and hammered it against the plaster, trying to break the grip on the gun. He got a bang on the side of his head that sent bright lights swimming before his eyes, and then the big man heaved himself away and kicked Conrad in the chest as Conrad grabbed at him.

The big man scrambled to his feet, raising the gun. Conrad squirmed forward, grabbed the big man’s ankles and heaved. The big man went over backwards, the gun going off with a roar that rattled the windows. A shower of plaster from the punctured ceiling came down on top of them.

Conrad was half up as the big man heaved himself off the floor. The gun crashed again. The gun-flash burned Conrad’s cheek; the slug zipped past his ear. Conrad sent over a long, looping right with all his weight behind it. It caught the big man on the side of his jaw with a devastating impact.

The big man grunted, his eyes rolled back, the gun dropped from his hand. He tried to regain his balance as he swayed on the top stair. Conrad jumped in and drove his left fist into the big man’s belly.