Prince Roger MacClintock, Heir to the Throne of Man, was a spoiled rotten arrogant, thoroughly useless young pain in the butt. But that was before the royal Brat and his Marine bodyguards had their starship sabotaged, and all were marooned on the enemy-occupied planet of Marduk. Before they had to march half way around the entire planet, through steaming jungles, damnbeasts, Capetoads, and killerpillars. Before they encountered treacherous local potentates, hostile barbarian armies numbering in the thousands, and an ocean full of creatures that are big, vicious and voracious. Under the right circumstances, even the most spoiled brat can grow up fast. Now, Roger and his loyal troops have made it to the sea, and on the way, Roger has proven himself to be a true MacClintock and a born leader. Still, the sea has monsters big enough to swallow a ship - and across the water is an enemy spaceport, bristing with heavy artillery, against which Rogers team has only had weapons with nearly-drained power packs. But neither Roger nor the Marines are about to give up, Marduk, do your worst!