Details the characteristics of river ecosystems and profiles the types of creatures that live in them. Outlines the adaptations that allow plants and animals to survive in rivers, and includes color photographs, a glossary, and further reading sources.

While vacationing at a friend's country home, the four Alden siblings try to find a long-missing, priceless brooch and investigate the existence of a ghostly stream.

Growing up in the river town of Morton, Darby Nelson developed a deep taproot of affection that anchored his contagious curiosity about the land and people of the Minnesota River Valley. Now, with an ecologist's lens and a lifelong appreciation for wild and scenic places, Darby sets out with his wife, Geri, to paddle the river all the way from its source near the Minnesota South Dakota border to its confluence with the Mississippi in the Twin Cities....

Rivers are an important part of the Earth. They are home to a variety of life, and humans have come to depend on them for food and transportation. But the actions of humans are harming these important ecosystems. Why do humans need to protect rivers? What can every person do to help protect the important resources rivers provide? Endangered Rivers answers these questions by engaging readers with lively text, graphic features, and stunning photography....

Fourteen years ago, Bryn Collins' fiance, Sawyer, jilted her for her despised sister, Del. Sawyer was later killed in a plane crash, but Bryn has never been able to forgive her sister for what she did. Bryn's placid life hits the skids when an unwelcome cast of characters reenters her life starting with Del's fourteen-year-old son Josh. On the hunt for Del, Bryn and Josh follow an ever-elusive trail to Colorado, and at the annual Mountain Games competition...

Mikey's older brother, A.J., is better at everything. When the boys go to the river for the day, Mikey is determined to beat A.J. in a tube race. Includes a glossary, discussion questions, and writing prompts.

"Special agent Sam Rivers' investigation of a bizarre wolf attack leads to evidence of murder, conspiracy, and shocking family secrets in this wildlife-themed thriller"-- Provided by publisher.