In this lesson, students learn that scientists and engineers are determined. They read about Elizabeth Blackwell in the book Who Says Women Can’t Be Doctors? The Story of Elizabeth Blackwell, by Tanya Lee Stone. After reading, students learn about the first female doctor in the United States and explore science careers. This book selection highlights the practice of obtaining, evaluating, and communicating information, and it includes the Table of Contents, Foreword, Acknowledgments, About the Authors, and Index.