Book excerpt: As with the previous two editions, Evolution of International Aviation reviews the historical development of the international aviation system. From this foundation it then provides an updated and expanded account of the current state of the aviation and aerospace industry including profitability, consolidation, and merger activity. New to this edition, the book broadens the coverage of the industry segments - airlines, air cargo, and manufacturing - to include the emerging commercial space sector. Because this book is intended for both the interested amateur and the more serious student, references are provided in the text and at the end of each chapter to allow for further in-depth study. The third edition also adds to each chapter a set of learning objectives and a concluding series of questions for discussion.