Books by Paula Smith

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 hunting all whales in 1982, the humpack recovered so well it was no longer listed as endangered in most of the world by 2016.

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 the story of the bear's decline due to human interaction and habitat loss, and the strategies put in place that helped it...

Long considered by humans as a threat to livestock, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone predators help keep an ecosystem in balance. This book details reintroduction programs that have helped populations recover to about 10 percent of their historic...

The survival of the giant panda depends on the survival of its only food: bamboo. Habitat loss from the destruction of bamboo forests in south central China where they live made the giant panda a vulnerable species. This book tells how habitat conservation and the creation of borrowing-and-breeding programs with zoos around the world kept the beloved bear from extinction.

This engaging book explains how scientists use models to help them understand systems in the natural world. Readers learn about different kinds of models and discover the similarities and differences between models and the real objects and processes they represent.

"This informative book goes to great lengths to explain how scientists around the world use the metric system and related tools to help them compare, contrast, and analyze the measurement data they collect. Opportunities for hands-on learning make the content meaningful to readers as they refine their measuring skills."--