Any student who has read through this textbook and tried to understand the derivations and derive the equations presented will realize that Anderson's forte is history more than engineering. The text is well written and interesting to read since Anderson gives a good historical background to each concept but Anderson's explanations are sometimes questionable and there are many conceptual and formula errors. The book does have good figures and presents a lot of good data but for students trying to learn aircraft performance for the first time, there are better textbooks out there. I am currently a PhD student in Aerospace Engineering at Georgia Tech studying for the qualifying exam. I was studying from this textbook but found that it was difficult to master the concepts to my professor's expectations based on what Anderson has presented. I recently aquired "Mechanics of Flight" by Warren Phillips which is much better at presenting the same material and is much more exhaustively researched from an analytical point of view. It is also much cheaper with twice the content so I would recommend it over Anderson's "Aircraft Performance and Design."