The River - (Hatchet Adventure) by Gary Paulsen

Brian's Return is a thrilling adventure that follows Brian Robeson as he embarks on another life-or-death journey in the Canadian wilderness.

Two years after surviving 54 days alone, the government sends him back to learn how he managed to stay alive.

This time, he's accompanied by Derek Holtzer, a government psychologist, who becomes unconscious during a freak storm.

Brian must now transport Derek a hundred miles down the river to a trading post using only his hatchet as a tool.

Will he be able to navigate the unknown waters and save Derek's life? Find out in this heart-pumping sequel to the award-winning classic Hatchet.