Mercedes was unhappy because she thought that she shouldn't have to work. She was tired, so she rode on the sledge, making the work even harder for the dogs She rode for days, until the dogs could not move the sledge. The men asked her to walk, but she would not leave the sledge. One day they lifted her off. She sat in the snow and did not move. They went off with the sledge and travelled five kilometres. Then they turned. went back, and lifted her on again Buck and the other dogs were now just skin and bone. They pulled when they could, and when they