The book series „Reflexive Übergangsforschung – Doing Transitions“ (Reflexive Transition Research – Doing Transitions) published by Barbara Budrich Publishing aims to provide a platform for theoretical and methodological reflections of transitions in the life course. In a first phase, the publications of this series will come from the members of the research training group themselves and include both edited volumes and PhD theses (monographies). With increasing national and international visibility the series will also be open for publications from beyond the research training group that share a reflexive approach towards analysing transitions in the life course. The series starts in 2020 with an edited volume on theoretical and methodological foundations of reflexive transition research, as well as the first monographies of PhD theses. For 2021, two more edited volumes will be addressing the discursive, institutional and individual formation of transitions and the relationship between transitions and the different life stages across the life course.