Frontmatter -- Contents -- Contributors -- Foreword -- 1. Introduction: Applying Complex Dynamic Systems Principles to Empirical Research on L2 Motivation -- Part 1: Conceptual Summaries -- 2. Ten 'Lessons' from Complex Dynamic Systems Theory: What is on Offer -- 3. Attractor States -- 4. Rates of Change: Timescales in Second Language Development -- 5. Initial Conditions -- 6. Context and Complex Dynamic Systems Theory -- 7. Human Agency: Does the Beach Ball Have Free Will? -- 8. Social Network Analysis and Complex Dynamic Systems -- 9. The Dynamics of Possible Selves -- 10. 'Directed Motivational Currents': Regulating Complex Dynamic Systems through Motivational Surges -- Part 2: Empirical Studies -- 11. Motivation on a Per-Second Timescale: Examining Approach- Avoidance Motivation During L2 Task Performance -- 12. Dynamics of the Self: A Multilevel Nested Systems Approach -- 13. Changes in Motivation, Anxiety and Self-efficacy During the Course of an Academic Writing Seminar -- 14. Motivation, Emotion and Cognition: Attractor States in the Classroom -- 15. Once Burned, Twice Shy: The Dynamic Development of System Immunity in Teachers -- 16. Learner Archetypes and Signature Dynamics in the Language Classroom: A Retrodictive Qualitative Modelling Approach to Studying L2 Motivation -- 17. 'I Can See a Little Bit of You on Myself': A Dynamic Systems Approach to the Inner Dialogue between Teacher and Learner Selves -- 18. Understanding EFL Learners' Motivational Dynamics: A Three-Level Model from a Dynamic Systems and -- 19. The Dynamics of L3 Motivation: A Longitudinal Interview/ Observation-Based Study -- 20. Study Abroad and the Dynamics of Change in Learner L2 Self-Concept -- 21. Self-Regulation in the Evolution of the Ideal L2 Self: A Complex Dynamic Systems Approach to the L2 Motivational Self System -- 22. The Dynamics of L2 Imagery in Future Motivational Self-Guides -- 23. Conclusion: Hot Enough to be Cool: The Promise of Dynamic Systems Research