Philip Wolny 
21st-Century Skyscrapers [PDF ebook] 

The modern skylines of major cities around the globe are both majestic and awe-inspiring. Since the turn of the century, ever more impressive and innovative skyscrapers have been built. This resource features the tallest and most famous buildings standing, and inspires young aspiring architects and engineers to dream of ever taller buildings. The sky’s the limit for readers, who will gain valuable insights into engineering basics while their imaginations are stirred by images and descriptions of these architectural giants from all over the world.