it looks like all aspirants are in trouble with regard to books selection for various courses. here is a small contribution from my side


paksiatn affair

pakistan affair by ikram rabbani
Struggle for Pakistan by I.H. Qureshi
Trek to pakistan by ahmad saeed for pre.partition


public administration by sultan khan

Journalism
1. Journalism for All by Dr. Mehdi Hassan
2. Exploring Journalism by Mirza Muhammad Yousaf
3. Journalism in Pakistan by Dr Abdus Salam Khurshid
4. Journalism for All by Dr Mehdi Hassan & Dr Abdus Salam Khurshid
5. Journalism for CSS/PMS by Quratulain & Haseeb Gohar

Sociology
1. An Introduction to Sociology by Abdul Hameed Taga
2. Sociology by Horton and Hunt
3. Social Problems of Pakistan
by Dr Muhammad Khalid

Political Science
1. Western Political Thought by Judd Harmon
2. Muslim Political Thought by S.M. Shahid
3. Political Science Theory and Practice by Mazhar ul Haq
4. World Constitutions by S. Kaely

Agriculture
1. Agriculture by Masood A Qureshi
2. Agriculture by Asif Malik

Forestry
1. Forestry by Prof. Masood A Qureshi
2. Yellow pages on Dawn News (Monday edition)

Public Administration
1. Public Administration by Dr. Sultan Khan
2. Personnel Management by Dr. Sultan Khan
3. Public administration by M. Suhail bhatti

Business Administration
1. Management by Stephen. P. Robins and Mary Coulter
2. Principle of Marketing by Philip Kotler
3. Strategic Management by Fred.R.David

Indo Pak History
1. Indo Pak History by K. Ali
2. Indo Pak History by Sohail Bhatti
3. Trek to Pakistan by Ahmed Saeed
4. Pakistan Affairs by Ikram Rabbani
5. Constitutional and Political history of Pakistan by Hamid Khan

Islamic History and Culture
1. Study of Islamic History by K. Ali
2. History of Islam by Mazhar ul Haq.

European History
1. Mastering Modern European History by Stuart T. Miller
2. About European History by L.P. Cock
3. European History by I J Chawla

British History
1. British History by Birdsall S. Viault
2. Mastering Modern British History by Norman Lowe
3. Modern English History by G.W. Southgate
4. British History for CSS by Dr Waheed Asghar

History of USA
1. History of USA by R.K Majumdar and A.N. Srivastva
2. A Brief History of United States of America by John J Newman

Constitutional Law
1. World Constitutions by Kealy
2. How states are Governed

International Law
1. International Law by tandon
2. International Law by Agarwal
3. International Law by S.K. Kapoor
4. International Law by J.J. Starke

International Relations
1. International Relations by Prakash Chander
2. International Relations and Poltical Theory by Kamran Shahid
3. Globalization of world politics by baylis
4. IR by Peu ghosh 3rd edition

Muslim Law and Jurisprudence
1. Muslim Law by D.F. Mullah
2. The Principles of Muhammad Jurisprudence by Abdul Raheem

Geography
1. Modern Physical Geography by Sarfraz Ahmed Bajwa
2. Economic Geography by Fazal Karim
3. Human Geography by Deblij
4. Human geography Raza ullah khan

Psychology
1. Psychology by Feldman
2. Psychology by SherbanoPsychology:
3. Introduction to Psychology
by Morgan & King
4. Abnormal Psychology by Neil
Davisson
5. Psychology by Ali Ajmal

Persian
1. Gul e Farsi
2. Gulzar e Farsi
3. Notes of Persian available on Punjabi University Photostat Shop

Arabic
1. Tareekh e Adab e Arabi by Ahmad Hassan Zyat
2. Notes of Hafiz Arshad
Punjabi
1. Punjab Rang by Qamar Husnain Qadri and Faisal Hayat Jappa

Pashto
1. Pohanna

Sindhi
1. Sindhi Adab Jo Tanqidi Ibheyas by Abdul Majeed Memon
2. Sindhi Boli Ji Mukhtasar Tarikh by Leghari
3. Sindhi Adab Jo Mukhtasir Jaiza by Abdul Jabbar Junejo

Balochi
1. Chakkar by Aqil Baloch.

Urdu (PMS)
1. Urdu by Ahmed Najeeb

English composition
1.Exploring the world of english


source for this information is senior members( mostly those who are serving officers)