Monthly Chinese publication for kids ages 9 to 14. Written by a global team of award-winning authors and leading scientists, every issue brings a topic of the most recent findings in science and art to curious young minds. The topic of this volume is "Airplanes Inside and Out": Many kids have once in their life dreaming to be a flying ace... but not everyone understands the ins and outs of the flying machine – airplane. Starting with the history of human being's early attempts at flying, this book thoroughly explained all the key factors that made flight possible, introduced airplanes of historical significance, and outlined what the future of the aviation may look like.