fieldman & Shehr bano's books are really good covering whole syllabus of CSS. Apart from that I read notes of my friends mostly, because she has made her notes really nice. It covers every thing. The plus point is that she has pointed out mcqs with symbol starts in every topic and past questions.. I also suggest you people to make your own short notes, really these are helpful to the great extent to get desired score..If you want to attain desired score in this subject, then must make your short notes, it would help you to attempt your papers to the level of perfection...