Doc Savage Double Novel Volume 57

"Tarzan's influence on the Man of Bronze is examined in three action-packed adventures! First, a giant 'Dagger in the Sky' materializes from thin air and disappears after bizarre murders, leading Doc Savage to a South American war started by Earth's wealthiest men. Then, the Man of Bronze is asked to locate an heiress who disappeared into the Brazilian jungles years earlier. Finally, while attempting to license one of Monk's chemical inventions, Henry Jones comes into possession of 'The Monkey Suit' that leads into a strange adventure!"