Title: An important milestone
Review: From time to time, but in truth rarely, an author write a book that change our mind about code or software process. From my point of view, this is the 2nd book like that in this decade (the first was Design Patterns). It outline especially that code and design that works isn't enough. He also describes formally things that I do (and thousands programmers) for years, but silently. Even if expressed in Java, the book is usefull in all OO languages. Just get it!
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