This book is a most useful, comprehensive manual of Chinese grammar. What strikes me as particularly useful is the use of traditional characters alongside simplified characters throughout. It does do the book justice by going back and having a look at things again once you've covered them, as the book does move rather fast, and can get fairly heavy at times. For those looking for a book that is immediately accessible, this is not it, for those who can cope with grammar in english and other modern foreign languages, it should be somewhat rewarding. It boosted my level of chinese immensely - not neccessarily having the vocab to fill in the gaps. Plus, plenty of exercises to keep it ticking over!