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Diversamente da quanto si possa credere, se masticate un po' l'inglese, è più semplice da leggere la versione originale della traduzione italiana.
The book was a trendsetter in several ways. For example, the very first exercise given is to print "hello, world"; this is now seen as the first exercise in innumerable other, more recent books, many of which may not realize that they are borrowing from K&R. The rest of chapter 1 (there's a chapter 0, an introduction; another geek-cool change which has been widely copied) is a tutorial that takes you through assignment statements, data types, if/else, for, while, printf, function definitions, arrays, and variable scoping, in less than 30 pages. If you work your way through the embedded exercises you'll have written utilities to strip tabs, reverse input by lines, strip trailing whitespace from input, and several others. This is much more challenging than most tutorials, but the effect on the student is that you feel you are being treated as an equal. The book doesn't talk down to you; it gives you accurate and concise answers. It's written for programmers, in other words.
The next few chapters go back over the elements of C in more detail, and should also be treated as a tutorial. Going through this material religiously will be far more valuable than any college class could possibly be.
There is a reference section at the back, which is good to have. But the real value of this book is in the tutorial approach: it is a rare pleasure in the computing field to find a book that is simultaneously clear, stimulating and informative.
This small book (270 pages, including the index) served me well through my degree, and I still keep the dog-eared, yellowing, aged book with me at work.
The book focuses on the language itself - this is no hands-on book (no explanations on how to use this compiler or that debugger, though it is a little biased toward Unix) - in a clear, concise, and thorough way covering all of the language and it's standard libraries.
I especially liked the excercises (the solutions come in a seperate volume) and the C source code examples of how some of the library routines are (or may be) implemented.
With this book I had no problem understanding the more difficult subjects (e.g. many people have problems with pointers, and this book makes the subject easy to understand) and avoiding pitfalls.
I've read it in a week, and keeping it in hand's reach smoothly started programming in C.
The only drawback I see in this book is it's price, it's a small book which sells *very* well, and I'd expect it's price to be lower. This book is *not* for people who study C as their first programming language (those would be better served with a pair of books - a first course in programming and compiler guide).
The book is expensive ($40) for its size (approx. 250pgs.), but it is worth every penny. To quote the authors: "C is not a big language, and it is not served well by a big book."
As a bonus, almost anything you need to know about C can be found in seconds using the excellent index. It should be noted that this is a language reference and will NOT tell you how to use your editing environment or compiler.
In summary, intermediate or advanced programmers should be able to learn C with reasonable proficiency in a short amount of time.
