Why was the Taj Mahal built? How was the Golden Gate Bridge constructed? What were the ‘hanging gardens’? What is the world’s tallest building? If you want to know all about the wonders of the world, then you’ll find the answers to almost all the questions you can think of – and many more – inside this exciting book. There are 64 pages of bite-sized facts, brilliant illustrations and diagrams to tell you all about these incredible structures. No question is too tough to tackle, and no answer too difficult to explain. Focus On titles are the ultimate in addictive reading!