The aim of the journal Tréma is to act as a link between academic analysis and research into the teaching and training of teachers. It presents educational studies alongside practical experiences about all areas of teaching and training. It is aimed at teacher trainers in the school and adult education sectors, trainee teachers, primary and secondary teachers, and researchers examining problems of teaching and training.Tréma is an open access journal subject to an embargo period of two years. Seven thematic issues (nos. 23 to 29) are already accessible in full text.