Dinah had been a little slow to absorb the full meaning of the little ship’s name. The James Caird was a small boat that Shackleton had used to make a desperate run for help to save the remnant of his failed South Pole expedition. They had aimed it at South Georgia Island, a speck on the map, in the knowledge that if they didn’t hit it spot on, the prevailing winds would never allow them to turn around and make another try.