The authors of the book are experts in teacher education. Currently, they practice and study teaching at the University of Helsinki. They have published scientific articles in international journals and many national textbooks for teachers.Pertti Kansanen, Ph.D., is Professor of Education and the senior member of the team. His special research interests include research on teaching in general, ethics of education, and comparison of German didactics with American research on teaching. Kirsi Tirri, Ph.D., is Professor of Education. Her special interests are research on moral education and teacher education.Matti Meri, Ph.D., is Researcher and University Lecturer. His special interests are research on hidden curriculum and recipes for teaching.Leena Krokfors, Ph.D., is Researcher and University Lecturer. Her special interests are research on supervisory discourse and early childhood education.Jukka Husu, M.A., is a Researcher and a doctoral student. His special interests are researching teachers' pedagogical mind sets and distance learning.Riitta Jyrhämä, M.A., is a Researcher and a doctoral student. Her special interests are researching teaching recipes and supervision.