ZhaoHong Han is Professor of Language and Education at Teachers College, Columbia University, USA, where she researches in second language acquisition, second language teaching, and their interface. She is the author/editor/co-editor of a number of volumes, including Fossilization in Adult Second Language Acquisition (2004) and Linguistic Relativity in SLA: Thinking for Speaking (co-edited with Teresa Cadierno, 2010).Terence Odlin is Associate Professor Emeritus of English, Ohio State University, USA and his research interests focus on language contact and language transfer. He is the author of Language Transfer (Cambridge University Press) and editor or co-editor of four other volumes. He has also published articles and chapters in several journals and edited volumes.

"This is a magnificent and intelligent book which has inspired much thought and discussion in my seminars. Larry Selinker, New York University

• AcknowledgmentsContributors1. ZhaoHong Han and Terence Odlin: Introduction2. Constancio K. Nakuma: Researching Fossilization and Second Language (L2) Attrition: Easy Questions, Difficult Answers3. Donna Lardiere: Establishing Ultimate Attainment in a Particular Second Language Grammar4. ZhaoHong Han: Fossilization: Can Grammaticality Judgment Be a Reliable Source of Evidence?5. Terence Odlin, Rosa Alonso Alonso and Cristina Alonso-Vázquez: Fossilization in L2 and L36. Usha Lakshmanan: Child Second Language Acquisition and the Fossilization Puzzle7. Brian MacWhinney: Emergent Fossilization8. Elaine Tarone: Fossilization, Social Context and Language Play9. David Birdsong: Why Not Fossilization10. Diane Larsen-Freeman: Second Language Acquisition and the Issue of Fossilization: There Is No End, and There Is No StateLarry Selinker: Afterword: Fossilization ‘or’ Does Your Mind Mind?Index