March of the Flame Marauders — Frederick C. Davis

Oil-black gold-the blood of Mother Earth! America had squandered its precious reserves and a syndicate of skilled saboteurs was destroying the remaining store! With all National defense rendered helpless for want of it, bitter despair gripped the hearts of the country's millions. Pillage, slaughter, and slavery-misery and death-threatened each American! And Jimmy Christopher, Operator 5 of the United States Intelligence, was gambling his life recklessly in a valiant effort to save his native land from extinction!