Title: Very disappointed.
Product review: I had seen this book in a bookstore over 15 years ago and regretted that I did not buy it at that time. Now that I have it, I am very disappointed. First of all, the print for the examples is very very small. The book is more of a summary of methods than any details of the methods themselves. There is no systematic development of the mathematical theory for these methods. This reinforces the worst aspects of books on aymptotic methods and perturbation theory: it's all just a bunch of random trial and error jibbrish!The authors tried to pile in a lot of methods into the book without detailed explanations. I find it hard to believe that a scientist or engineer would get a lot out of this book. As a mathematician, I found it lacking in any significant mathematical meaning and purpose. I would recommend Nayfeh's book on peturbation methods instead.
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