The fall of communism fully opened Poland to the processes and phenomena operating in ever globalizing world. In line with global trends, English in post-socialist Poland has been steadily growing in importance. By employing a holistic integrative approach utilizing relevant theoretical, descriptive, and empirical insights, the author builds up a comprehensive picture of the sociolinguistic functioning of English in post-1989 Poland. In order to supplement his integration and analysis of the state-of-the-art knowledge, the author devises an original investigation probing into the perceived power of English. The result is the first such comprehensive and insightful analysis of English in a post-socialist country.