This eleventh edition was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the be

Features seven engineering feats which in their time pushed forward the boundaries of science and technology; includes the Sydney Opera House, Aswan High Dam, S

Take a tour with students in grades 5 and up using Seven Wonders of the World and More! In this 96-page book, students explore the seven wonders of the ancient

The Seven Wonders of the Ancient World, and all sorts of mysteries attaching to them, have intrigued people since the second century BCE. Why were these particu

Text and pop-up illustrations present some of the great architectural and engineering achievements of the modern era, including the Golden Gate Bridge, the Eiff