This is the must have book for success in competitive exams. The comprehensive English grammar and composition is very good book for thorough preparation for the competitive exams. The book covers the entire syllabus for gaining clear concepts in English.It is an excellent book for grammar practice and has many exercises and detailed explanation. The book is very nice and explanation is very simple and good. The book is very helpful for the beginners also since it gives detailed explanations of the different concepts of English grammar.