Originally Posted by redmax

If you're keen about reading details otherwise unnecessary for getting through this exam, read Constitutional & Political History of Pakistan by Hamid Khan. If you want to stick to basics and save time, adhere to Ikram Rabbani's book.

Make short notes aka bullet notes. Lengthy notes won't help much. Do this in the second reading, in the first reading just highlight/underline main ideas/facts etc.

Good Luck!

Regards,