The Small Indian Mongoose was imported to the Hawaiian Islands to control the rat population. Now, it threatens to disrupt the ecosystem of the island. Read this book to learn how this happened and what can be done to control this invasive species.

Less than a decade ago, there were only a few pythons in the everglades. Today more than 100,000 of them are slithering around south Florida, crushing what was already a delicate ecosystem. Readers will be introduced to the concepts of invasive species and challenged to think critically about the cause, effect, and control of dangerous creatures.

This book uses math and science to help students learn about glaciers. Math challenge questions provide students with the opportunity to apply math skills as they learn about the characteristics of glaciers.