Spook Hole — Kenneth Robeson

"Island Of Mystery. The Man of Bronze and his trustworthy friends track a one-armed man of mystery to the far reaches of South America - only to find their lives endangered when they discover the amazing secret that Hezemiah Law is guarding so carefully on Spook Hole! * To the world at large, Doc Savage is a strange, mysterious figure of glistening bronze skin and golden eyes. To his amazing co-adventurers - the five greatest brains ever assembled in one group - he is a man of superhuman strength and protean genius, whose life is dedicated to the destruction of evil-doers. To his fans he is one of the greatest adventure heroes of all time, whose fantastic exploits are unequaled for hair-raising thrills, breathtaking escapes and bloodcurdling excitement."