Map showing the route of Ernest Shackleton and his ship Endurance during his attempted expedition to cross Antarctica in 1915. The Endurance became trapped in pack ice and the ship and crew had to endure over one year living on the pack ice before being able to launch lifeboats to Elephant Island then on to South Georgia Island. Produced for the book THE PURSUIT OF ENDURANCE – On The Shoulders of Shackleton, released November 2015.