/0/7838/coverbig.jpg?v=c8742d17e4183dee088424827994e676)
Just as Joe and Jennings had finished their breakfast of polar bear meat and were preparing to go forward, the broad cake of ice on which they had camped gave a sudden lurch, then rose to such an angle as threatened to pitch them all into a yawning gap of black water.
Joe sprang forward. The dogs howled dismally. Only Jennings kept his head.