Mid-Wake — Jerry Ahern

Faced with a new enemy empire, can one man survive? John Rourke, CIA-trained weapons and survival expert, was fighting for his life-underwater! There had been other survivors of the nuclear nightmare that had devastated the world generations before. Far beneath the ocean's surface, a hidden war was raging between Russians operating from their huge, multi-domed sea-bed city and the Americans of Mid-Wake: their secret sub-Pacific military complex. But now the Russians, realizing that earth's surface was habitable, had begun to emerge. Only John Rourke, escaping from his captors, armed with a pair of the enemy's Sty-20 dart-firing sedative guns, could warn his allies that an evil underwater empire was about to rise up out of the waters...