Doc Savage Fear Cave Author:Kenneth Robeson It was all a great mystery. Who was this man called Dan Thunden who claimed he was one hundred and thirty years old? Did he really have the secret of the fountain of youth? What was this island called Fear Cay that spelled horror and death? What was the strange thing that turned men to bone? These were teh mysteries that Doc Save and his fearles... more »s crew had to solve at peril of their very lives.« less