This paper reviews 25 doctoral dissertations on second language acquisition (SLA), English language learning and teaching submitted in Poland in the years 2006-2010. The theses were selected for review on the basis of the recommendations of Ph.D. supervisors from leading Polish universities and they are divided into six groups: learner autonomy, individual differences, language subsystems and skills, culture, assessment and miscellaneous. The dissertations are discussed with respect to their main findings as well as their strengths and weaknesses, and the paper concludes with an overall evaluation of the research in terms of its dominant themes and methodology.