Frontmatter -- Contents -- Acknowledgments -- Contributors -- Chapter 1. Introduction -- Chapter 2. Researching Fossilization and Second Language (L2) Attrition: Easy Questions, Difficult Answers -- Chapter 3. Establishing Ultimate Attainment in a Particular Second Language Grammar -- Chapter 4. Fossilization: Can Grammaticality Judgment Be a Reliable Source of Evidence? -- Chapter 5. Fossilization in L2 and L3 -- Chapter 6. Child Second Language Acquisition and the Fossilization Puzzle -- Chapter 7. Emergent Fossilization -- Chapter 8. Fossilization, Social Context and Language Play -- Chapter 9. Why Not Fossilization -- Chapter 10. Second Language Acquisition and the Issue of Fossilization: There Is No End, and There Is No State -- Afterword: Fossilization 'or' Does Your Mind Mind? -- Index