Explores the world of rivers and lakes, looking at how they have shaped the landscape and provided fresh water, a vital resource for human, animal, and plant life, and how communities both depend on them and can be devastated by them.
Reluctant Nicky spends a wonderful summer with Grandma who introduces him to the joy of rafting down the river near her home and watching the animals along the banks.
Follows human activities around a fictitious river as they represent the development of civilization over thousands of years, from the visits of Stone Age hunters to modern efforts to stem pollution.
Twelve-year-old Luke's summertime adventures along the river are haunted by the memory of his older brother Robert, who died being a daredevil in the same place a year and a half earlier.