This book is a Politico-Historical account of Pashtunistan and its influence on Afghan-Pak relations. Delving into the Afghan-Pak relations to study the main issues and agreements in the first two chapters, this book has also devoted a chapter to historicise the Pashtunistan issue to study the colonial past of Durand line. It has also evaluated the three perspectives of Pakistan-Afghanistan and Pashtu view on Pashtunistan. The concluding chapter discusses the contemporary relevance of Pashtunistan in Afghan-Pak relations.,