From the window of the small floatplane, fifteen-year-old Gabe Rogers is getting his first look at Canada's magnificent Northwest Territories with Raymond Providence, his roommate from boarding school. Below is the spectacular Nahanni River--wall-to-wall whitewater racing between sheer cliffs and plunging over Virginia Falls. The pilot sets the plane down on the lake-like surface of the upper river for a closer look at the thundering falls. Suddenly...

After fourteen-year-old Andy slips away from his kayaking group to visit the wilderness site of his archaeologist father's death, a storm strands him on Admiralty Island, Alaska, where he manages to survive, encounters unexpected animal and human inhabitants, and looks for traces of the earliest prehistoric immigrants to America.

Fifteen-year-old Victor Flores journeys north in a desperate attempt to cross the Arizona border and find work in the United States to support his family in central Mexico.