economic geo by fazle karim is a recommended one for paper II and dont go 4 exam cram series 20 questions. material is not up to that mark rather u shuld go for exam cram to the point . bt that one is also used to consult for few questions of paper B bcz most of answer given are not according to requirment. even these exam cram books of geography has taken material mostly from fazle karim and certificate physical geo book by gou chang leong.

commercial geography by fazle karim is good 4 paper B. certificate physical goography by gou chang leong also have some material regarding paper B. further sum units from a book named "pakistan, peoples,and economy" as unit 3,4,11,13 and that book is also best 4 objective portion

regional geography can be done from any book of regional geography bt most authenticated are of foreign writers as regional geography by de blij or u can use net source for its preparation