Pakistan Kyun Toota By Dr. Safdar Mehmood
Pakistan Kyun Toota(پاکستان کیوں ٹوٹا؟) book is a historical and full analysis of the breakup of Pakistan in 1971 when East Pakistan became Bangladesh. Sang-e-Meel
Dr Safdar Mehmood
You can read Dr Safdar Mehmood books here. A PDF version of all of his works is also available.