1. Introduction Peter K. Austin and Julia Sallabank; Part I. Endangered Languages: 2. Language ecology and endangerment Lenore Grenoble; 3. Speakers and communities Colette Grinevald and Michel Bert; 4. Survey of endangered language situations around the world David Bradley; 5. Language contact and change in endangered languages Carmel O'Shannessy; 6. Structural aspects of language endangerment Naomi Palosaari and Lyle Campbell; 7. Language and culture Lev Michael; 8. Language and society Bernard Spolsky; Part II. Language Documentation: 9. Language documentation Tony Woodbury; 10. Speakers and language documentation Lise Dobrin and Josh Berson; 11. Data and language documentation Jeff Good; 12. Archiving and language documentation Lisa Conathan; 13. Digital archiving David Nathan; Part III. Responses: 14. Language policy for endangered languages Julia Sallabank; 15. Revitalisation of endangered languages Leanne Hinton; 16. Orthography development Friederike Lüpke; 17. Lexicography in endangered language communities Ulrike Mosel; 18. Language curriculum design and evaluation for endangered languages Serafin Coronel-Molina and Teresa McCarty; 19. The role of information technology in supporting minority and endangered languages Gary Holton; Part IV. Challenges: 20. Endangered languages and economic development Wayne Harbert; 21. Researcher training and capacity development in language documentation Anthony Jukes; 22. New roles for endangered languages Máiréad Moriarty; 23. Planning a language documentation project Claire Bowern.