Book excerpt: Foreword / Rebecca Oxford -- Introduction / Ali H. Al-Hoorie and Fruzsina Szabó -- General reflections. Motivating in the language classroom : a discourse of 'social control'? / Ema Ushioda -- Motivation, mediation, and the individual : a sociocultural theory perspective / Matthew E. Poehner -- Too much psychology? : the role of the social in language learning motivation / Ofelia García -- Engagement and self-regulation. Engagement : the active ingredient in language learning / Sarah Mercer -- Engaging the learner : linking motivational practice to learners' development / Phil Hiver -- Learning goals, self-regulation and L2 motivation / Alastair Henry -- Self-determination and engagement in language learning : a dialogic process / W. L. Quint Oga-Baldwin and Emiko Hirosawa -- Selves approaches. Using the self as a basis for a motivation system : has it been worth the trouble? / Peter D. MacIntyre -- The L2 motivational self system : using the selves in the classroom / Mostafa Papi -- Language learning in rural America : creating an ideal self with limited resources / Amy S. Thompson -- Using technology to harness the power of L2 possible selves / Flor-de-lis Gonzalez -- Emotions and affect. Emotion in second language acquisition : reflections on its birth and unexpected growth / Jean-Marc Dewaele -- Enhancing emotional engagement in speaking tasks : a cognitive-behavioural theory approach / Kate Maher and Jim King -- Emotional contagion : optimizing language teacher-learner synergy / Tammy Gregersen and Ahmed Abdulteef Al Khateeb -- Group-DMCs and group-level emotion in the L2 classroom / Christine Muir -- Emerging topics. Complexity theory : from metaphors to methods / Ali H. Al-Hoorie and Phil Hiver -- "Oh, hi. Hello" : critical discourse analysis as a means of understanding desire for English / Martin Lamb -- Migration, plurilingualism and motivation : extending the research agenda / Vera Busse -- English as a lingua franca and student motivation / Zana Ibrahim -- Using neuroELT maxims to raise student motivation / Robert S. Murphy -- How good class group dynamics socializes well-being into cultures, biologies, and brains / Yoshifumi Fukada, Tim Murphey, Tetsuya Fukuda and Joseph Falout -- Afterword / Lourdes Ortega.