General Science and Ability Books by Mian Shafiq for CSS Competitive Exam is one of the good book which can help you in preparation of this subject previously known as Every Day Science . Syllabus of this subject was revised in 2016. While looking at the needs of Competitive exams aspirants books publisher published latest editions of this subject. . You will find thousand of Books in the market and every one claiming that their book is perfect but some of the books which are authentic and covers all the FPSC syllabus of the General Science and Ability Paper . GSA is the compulsory subject in CSS examination and part of General Knowledge Paper .