Part I: Introduction to the Third-Wave Therapies.- Chapter 1. The Evolution of Psychotherapies: From Psychoanalysis, Behavioural and Cognitive-Behavioural Therapies to the Third-wave Psychotherapies (Wendy Wen Li, Gemma Maria Griffith, Shauna Shapiro, Zhuohong Zhu).- Chapter 2. Defining Mindfulness (Shauna Shapiro).- Chapter 3. Assessing mindfulness (Oleg N. Medvedev, Christian U. Krägeloh).- Chapter 4. Therapist competence in the delivery of third-wave therapies (Gemma Maria Griffith, Sophie Sansom).- Part II: Third-Wave Psychotherapies: Acceptance and Commitment Therapy (ACT) .- Chapter 5. The history and theoretical framework of Acceptance and Commitment Therapy (ACT) (Zhuohong Zhu, Marc Chao, Jennifer Gaskin, Hui Cao, Houyuan Luo).- Chapter 6. Acceptance and Commitment Therapy: The model and training (Elizabeth Burnside, Steve Noone).- Chapter 7. Acceptance and commitment therapy: Current state of the literature and future directions (Daniel D. Simsion, Emma Caruana, Eric M. J. Morris).- Part III: Third-Wave Psychotherapies: Dialectical Behaviour Therapy (DBT).- Chapter 8. Dialectical Behaviour Therapy: History and theoretical framework (Phoebe Roman, Rebecca Wallace, Sarah Plum).- Chapter 9. Dialectical Behaviour Therapy: Curriculum, Training and Clinician Guide (Michaela A Swales).- Chapter 10. Dialectical Behavior Therapy: Effectiveness and Future Direction (Amy Gaglia Essletzbichler).- Part IV: Third-Wave Psychotherapies: Emotion Regulation Therapy (ERT).- Chapter 11. Emotion Regulation Therapy (ERT) I: Historical and Theoretical Frameworks (Abigail Szkutak, Esther Anene, Douglas S. Mennin, David M. Fresco).- Chapter 12. Emotion regulation therapy (ERT) II: Treatment Mechanisms and Components (Michal Clayton, Moises Hernandez, Douglas S. Mennin, David M. Fresco).- Chapter 13. Emotion regulation therapy III: Foundations and frontiers in investigating efficacy and mechanism.- (Phillip Spaeth, Megan Renna, Mia Skytte O'Toole, Douglas S. Mennin, David M. Fresco).- Part V: Third-Wave Psychotherapies: Functional Analytic Psychotherapy (FAP).- Chapter 14. The Theoretical Foundations and History of Functional Analytic Psychotherapy (Daniel W. M. Maitland and Jennifer K. Truitt).- Chapter 15. Curriculum, training, and clinician guide of Functional Analytic Psychotherapy (Matthew D. Skinta and Eugen-Calin Secara).- Chapter 16. Effectiveness of Functional Analytic Psychotherapy and Future Directions (Manuel Tarraf, Gabriela López Elias, Savannah Stidhams, Mavis Tsai).- Part VI: Third-Wave Psychotherapies: Mindfulness-Based Stress Reduction (MBSR).- Chapter 17. The history and theoretical framework of Mindfulness-Based Stress Reduction (MBSR) (Carolyn Heward).- Chapter 18. Mindfulness-based stress reduction (MBSR): Curriculum and teacher training (Lynn Koerbel, Patricia Holland, Shufang Sun).- Chapter 19. The effectiveness of Mindfulness-Based Stress Reduction (MBSR) for improving mental health in different populations: A synthesis of meta-analyses (Jennifer Gaskin, Marc Chao, Wendy Wen Li).- Part VII: Third-Wave Psychotherapies: Mindfulness-Based Cognitive Therapy (MBCT).-Chapter 20. History and Theoretical Framework of Mindfulness-Based Cognitive Therapy (Barry Tse, Jia-Qi Xu).- Chapter 21. Mindfulness-based cognitive therapy (MBCT): Curriculum, training, and clinician guide(Chris Molnar).- Chapter 22. Effectiveness and Future Direction of Mindfulness-Based Cognitive Therapy - A synthesis of systematic reviews/meta-analyses (Sunny Ho-Wan Chan, Charlie Lau).- Part VIII: Third-Wave Psychotherapies: Schema Therapy.- Chapter 23. Schema Therapy: Historical Development, Theoretical Model, and Empirical Evidence (Joanna Barlas, Adaline Ng).- Chapter 24. The foundation of training, supervision, and personal development in (group) schema therapy (M. F. van Vreeswijk, A. M. E. E. Zedlitz).- Chapter 25. Effectiveness and future directions of schema therapy (Olivia Harmony Chan, Leo Marcus, Riana Marie).- Part IX: Third-Wave Psychotherapies: Diverse Adaptations of Third-Wave Psychotherapies.- Chapter 26. Mindfulness-Based Stress Reduction for our time: Social and systemic awareness in mindfulness-based teaching (Bridgette O'Neill, Dean Francis).- Chapter 27. A culturally enhanced Mindfulness-based Stress Reduction (MBSR) programme for Maori women in Aotearoa New Zealand (Miriama Ketu-McKenzie).- Chapter 28. Mindfulness and Native Hawaiian Contemplative Practices (Thao N. Le, Breanne Fong, Kehaulani Lum, Bruce Keaulani).- Chapter 29. Autism sensitive mindfulness-based programmes (K. Birtwell, J. Andexer, E. Corsellis).- Chapter 30. Telehealth in Third-Wave Therapies: Applications, challenges, and opportunities (Gemma M. Griffith, Samantha J. Teague).- Chapter 31. Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Long COVID: Mindfulness based self-management (Fiona Mckechnie).- Part X: Emerging Therapies and the Future of Third-Wave Psychotherapies.-Chapter 32. Internal Family Systems (IFS): History, Concepts, Training, and Future (Shaun Dempsey).- Chapter 33. Overview of Trauma Informed Yoga: Past, Present, and Future (Shauna Shapiro, Nichol Chase).- Chapter 34. Trauma Center Trauma-Sensitive Yoga: Conceptual Components, Facilitation Guides, and Reflections (David Emerson, Kristen Pringle, Maria Jude, Evan Bodine, Edwina Kempe, Viann N. Nguyen-Feng).- Chapter 35. Advancing Third-Wave Psychotherapies with Evidence and Diverse Adaptations (Gemma Maria Griffith, Wendy Wen Li, Shauna Shapiro).