"Great Inventions And Discoveries" by Willis Duff Piercy is an informative book that provides a comprehensive overview of some of the most significant inventions and discoveries in human history. The book covers a wide range of topics, from the invention of the wheel and the discovery of fire to more recent developments such as the internet and space travel. The book is divided into several chapters, each of which focuses on a specific period or area of human achievement. The first chapter discusses the earliest inventions and discoveries, such as the invention of agriculture and the development of writing. The subsequent chapters cover topics such as the Industrial Revolution, the age of electricity, and the space age. Throughout the book, Piercy provides interesting and engaging accounts of how these inventions and discoveries came about, the challenges that the inventors and discoverers faced, and the impact that these innovations had on society as a whole.