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Title: Level is not appropriate with function
Review: My main problem with this text is the level of understanding it assumes on behalf of the reader. Many reviewers say "great reference" or something of the sort. But this book is a *foundational* text. It's not a book for mathematicians or a mathematically mature reader -- they should already own the techniques presented here. A book of this kind should be suitable for self study and this book fails in that department. Given the amount of math it assumes, I would imagine those at that level are already fairly assimilated to proofs and the like. Hence my critique that the level and function is confused. Note also that this book is *expensive*.If you want a book on problem solving, go with Zeitz or Engel, or something of "olympiad" character. If you want a book to learn proof techniques, Vellman or Eccles is good; Solow for true beginners.
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