Routledge Introductions To Applied Linguistics Is A Series Of Introductory Level Textbooks Covering The Core Topics In Applied Linguistics, Primarily Designed For Those Beginning Postgraduate Studies, Or Taking An Introductory Ma Course As Well As Advanced Undergraduates. Titles In The Series Are Also Ideal For Language Professionals Returning To Academic Study. The Books Take An Innovative 'practice To Theory' Approach, With A 'back-to-front' Structure. This Leads The Reader From Real-world Problems And Issues, Through A Discussion Of Intervention And How To Engage With These Concerns, Before Finally Relating These Practical Issues To Theoretical Foundations. Additional Features Include A Glossary Of Key Terms, And Discussion Questions. Pt. I. Introduction -- Pt. Ii. Language Pedagogy And Sla : An External Perspective -- Pt. Iii. Language Pedagogy And Sla : An Internal Perspective -- Pt. Iv. Learner Differences -- Pt. V. Conclusion. Rod Ellis And Natsuko Shintani. Includes Bibliographical References (pages 347-382) And Index.