Black Tuesday and the Great Depression explores the causes of the stock market crash in 1929 and the resulting Great Depression. For more than ten years the effects of October 29, 1929, known More →
Grade 7
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We cannot prevent blizzards and ice storms, but we can learn how to minimize their impact on humans. This informative book examines what scientists know about extreme ice and snowfalls,… More →
They feed on us, make their homes on us, and generally make our lives miserable. They are horrible guests, sometimes spreading deadly diseases. These blood-sucking parasites are lice and… More →
So many of the everyday products we use are created through the wonders of modern chemistry. From toilet paper to body cream, soap, and perfume, humans rely on chemistry to make our lives… More →
Our views and opinions on many things are heavily influenced by our culture and what we see in the media. They can even shape how we see ourselves, including what is an acceptable or… More →
The black-footed ferret was once listed as extinct on the prairies of North America. Its population had been devastated by a disease that also reduced its main food source - prairie dogs.… More →
The Grand Cayman blue iguana is named after the small island in the Caribbean Sea on which it lives. The largest reptile on the island, it had few predators until people arrived. Habitat loss More →
Long considered by humans as a threat to livestock, wolves are hunted as pests. In particular, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone More →
Listed as a threatened species in 1975, the grizzly bears near Yellowstone National Park in Wyoming have made a remarkable recovery. Intriguing text and vibrant images will draw readers into… More →
Humpback whales are a true ecological success story. Readers will be enthralled by the story of these masters of the deep, listed as endangered in 1970. Protected by an international ban on… More →
Less than two decades ago, four Island Fox subspecies faced extinction. Human activities, including pollution and the introduction of invasive species, threw the Channel Islands' ecosystem… More →
The lesser long-nosed bat became the first bat species to be removed from the US endangered species list due to population recovery. This mammal plays a vital role as a pollinator in desert… More →