Based on a range of detailed case studies, this innovative book presents a model for early career language teacher development.It showcases the lived experiences of English language teachers in their training years, as well as the reflections of two more experienced English language teachers, and uses these case studies to provide practical guidelines on early career needs and development.It outlines four essential and highly connected conditions that will enable teachers to survive and thrive in the profession: reflection, support, resilience, and well-being.Using an innovative, evidence-based, data-informed approach to reflective practice, the book covers teachers' philosophy, principles, theory, practice, and critical reflection beyond practice.Each chapter contains practical reflection activities, to encourage reflection throughout from the reader on what the research reveals.It is essential reading for graduate students who are training to become language teachers, as well as language teacher trainers and lecturers.