"With the cat in tow, Pettson plodded up the hillside behind the tool shed. Here and there he cut some fir branches and laid them on the sled. When it was full they turned to go back down again. But all of a sudden, Pettson slipped on a stone: the sled flew forward and hit the old man in the back of his knees so that he fell back on the branches. Gathering speed down the slope, the sled hurtled straight into the stone wall and tipped over. "The...