"Definitive, with extensive references and a commitment to connecting theory to practice in every chapter, this important contribution is a delicious and wide-ranging exploration of the lineages that have shaped the modern practice of coaching."
—Doug Silsbee, author, Presence-Based Coaching and The Mindful Coach

"The translation of theories from multiple disciplines to the practice of coaching makes this book a must-read!"
—Terrence E. Maltbia, senior lecturer, Adult Learning and Leadership; and faculty director, Columbia Coaching Certification Program, Teachers College, Columbia University

"If you have an appetite for the scientific roots of what works best in coaching, and you are hungry for an easy-to-digest translation of the science to practice, this book is a feast and will be on your plate for many years to come."
—Margaret Moore (Coach Meg), founder and CEO, Wellcoaches Corporation; and codirector, Institute of Coaching, McLean Hospital, Harvard Medical School

"Whether you're a beginner or an experienced coach, this rollicking ride through dozens of the most important theories and perspectives in coaching will be a vital companion. With quick and helpful summaries of key ideas and their use—and selective bibliographies should you wish to go deeper into a particular area—this book will help you support your clients in a targeted and sophisticated way."
—Jennifer Garvey Berger, author, Changing on the Job: Growing the Leaders Our Organizations Need; and coeditor, Executive Coaching: Practices and Perspectives

"This is a book I have been missing. What a pleasure to read and what a stretching of my mind."
—Kim GØrtz, senior consultant, Copenhagen Coaching Center

"Anyone who is serious about improving the quality of coaching will find The Handbook an invaluable resource that reflects the breadth and richness of the growing evidence-based approach to coaching practice."
—David Clutterbuck, visiting professor in the coaching and mentoring faculties, Oxford Brookes and Sheffield Hallam Universities