I am very glad to see that this book is rated 5 stars here in amazon.com, for my opinion is that such book is a most perfect one for purposes of grammar practice of the English language.
What really should be noticed is that, usually, the more advanced the book is, the more tiring it is for the student to read; but the previous logic does not apply to this one!

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The first in the family of best-selling vocabulary reference and practice books from elementary to advanced level. Vocabulary is clearly presented and contextualized on left-hand pages with practice activities on facing right-hand pages. This book is primarily designed

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