Learn all about the STEM-gineers that have shaped our world. Engineers through the ages have tamed the awesome forces of nature to build towering skyscrapers, dig deep tunnels, and hold back mighty rivers.Learn all about the amazing advances in engineering that have permitted us to build taller, stronger and deeper in STEM-gineers: Experts in Engineering. STEM-gineers is an exciting 4-book series, which focuses on particular engineering or scientific challenges.You will find out about the great minds behind every featured discovery or structure and learn through hands-on projects how these great minds overcame the scientific or engineering challenges of their time.From simple experiments, to observing and recording various aspects of the world around us, this series is the perfect introduction to the exhilarating world of STEM for readers aged 9 and up.