I decided not to use it, so I haven't used it at all. It has been kept at home with a book cover. An enhanced edition of social science problem sets, perfect for civil service exam preparation. - Title: Civil Service Exam New Super Past Question Seminar 7 Social Science - Edition: Enhanced Edition - Contents: Politics, Economics, Society - Series Name: Series: Civil Service Exam - All Subjects - Features: Over 4.5 million copies sold Thank you for looking.