In this lesson, students learn that scientists and engineers are persuasive. They read about Rachel Carson in the book Rachel Carson: Preserving a Sense of Wonder, by Thomas Locker and Joseph Bruchac. After reading, students will collect observations on a walk outdoors to look for living creatures in their natural habitats. This book selection highlights the practice of analyzing and interpreting data, and it includes the Table of Contents, Foreword, Acknowledgments, About the Authors, and Index.