The River

The River by Gary Paulsen is another sequel to Hatchet and it has 132 pages.  It is a thrilling book. It's about how a survival school for the military sends some men to ask Brian if he will show them how he made it.  He goes with Derek, who takes notes of everything he does and thinks.  When Derek gets hit by lightning and goes into a coma, Brian has to build a raft to get Derek to people who can help him.