If your looking to improve your writing skills, including: grammar, punctuation, spelling and general writing skills then this book could be for you. I personally found it too basic for my needs. I needed something a little more advanced than what this book provides.
If your a beginner and you want to improve your English skills then this book is for you, but if your looking for something more advanced, then i would advise looking elsewhere.
Easy and common rules and phrases for writing different types of writing. It is too simple for me, but it may be helpful for students. There is additional parts with grammar, spelling, punctuation and common mistakes.