Table of Contents

1. Acknowledgments; 2. Chapter 1. Foundations; 3. Chapter 2. Second language acquisition; 4. Chapter 3. First language attrition in adults; 5. Chapter 4. Bilingualism in early childhood; 6. Chapter 5. Bilingualism in middle and late childhood; 7. Chapter 6. Incomplete L1 acquisition in adults; 8. Chapter 7. Incomplete L1 and L2 acquisition in adults; 9. Chapter 8. Implications; 10. References; 11. Index of authors; 12. Index of terms