This book is a comprehensive introduction to Transactional Analysis theory, evidence-base and practice. It provides a step by step manual to the competencies and skills needed across the therapy process, and a guide to working with a variety of client issues. Supported by case studies, reflective questions, boxed summaries, and process questionnaires, this is the ideal book to support you in your training and practice. It is an essential companion whether you’re studying on a specialist TA courses, studying TA as part of a wider training or integrating TA into your practice.