Published by Martin Goodman, the same publisher as Marvel Comics, Adventure Trails was one of the infamous "Red Circle" pulps. SINGAPORE THUNDER by Rodney Blake The Sulu Queen's second Mate broke every law of the sea trying to quell that savage mutiny—for the lustful fate of a yellow hell awaited two innocent American girls! EAST OF BORNEO by Rex Evans Mild-looking maybe, but Cork of Borneo was trouble-shooter for that whole wild hill country. And when he found a Scotch lassie and a fortune in gold entangled with ruthless native swine, Cork was hell itself unleashed!