What Is the Most Important Invention? (What's Your Point? Reading and Writing Opinions)

We depend on inventions to live in the 21st century, such as washing machines and smoke detectors, but which one is the most important invention? This fourth grade class looks at nine inventions and argues why each is the most important. Read this book to help you decide: What is the most important invention?

Australian educator and internationally known literacy specialist Tony Stead has both taught in elementary schools and lectured at universities. Past president of the Melbourne Chapter of the Australian Reading Association, he is the author of numerous publications, including Is That a Fact? Teaching Nonfiction Writing and Explorations in Nonfiction Writing. Tony has been a keynote speaker at hundreds of conferences and works with school districts around the world in literacy consulting and teaching.