Negative Positive
Title: Not really good.
Review: I just bought the boxed set few weeks ago.... going through the first book and already found the error contains unbearable. This is suppose to be an exam guide~!!Furthermore the errata at the web site haven't been update for quite some time thus there is no way to find out what is true and false in the book from the author/publisher. Whenever i came across something that i feel doubtful i have to refer to other material trying to verify the correctness of the content and sometimes the content are contradicting, i found this very irritating.I admit that these books are well written, but what is the use of it when the content can't be trusted?
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