Teachers' Notes New additions to the award winning series take a look at some of the most remarkable engineering accomplishments of our time. Learn about the ideas early stages of development, problems encountered along the way, and how each great idea has influenced our lives. Perfect for STEM connections. Books in this set include: Burj Khalifa: The Tallest Tower in the World, The Chunnel, The Great Wall of China, The Hoover Dam, The Large Hadron Collider, The Panama Canal, The Pyramids Canal, The Qinghai-Tibet Railway.