> I found that book quite superficial and superfluous. Content of few pages stretched out to a book. Perhaps you need to do more than a superficial reading, as

> I found that book quite superficial and superfluous. Content of few pages stretched out to a book. Perhaps you need to do more than a superficial reading, as they suggest. In seriousness, I found it very good and deep. Perhaps I just was lacking in my education, and you may have had learned the lessons they sought to impart before you read it. To each their own.