This book is the 9th special issue of the research book series Emerging Issues in Research on Vocational Education & Training, an outcome of the scientific work and networking of the research group VETYL (Vocational Education & Training/Yrkeskunnande och Lärande), at the Department of Education, Stockholm University, Sweden. This research group was created in 2011 with twofold aims: contributing to the advancement of knowledge in the intricate area of vocational education and training (VET) and strengthening the research bases of the teacher education program for VET that is offered at the Department of Education, Stockholm University. The Swedish term “yrkeskunnande och lärande” in the name of the research group translate as “vocational knowing” and indicates one of the major research concerns of the group. The content of this volume is of interest for a diversity of readers including under–graduate students, in particular students in initial and in-service teacher training programs for VET, post-graduate students, researchers, and policy makers in Vocational Education & Training.