Book excerpt: Knowing About Language is an essential and comprehensive introduction to and discussion of the value of linguistics in the secondary and post 16 curriculum. Split into three easily accessible parts, each chapter draws on theoretical and practical reasons for developing language awareness for the teacher and student, the impact of government and institutional policy on teaching and teacher knowledge, and explores recent research about the value of linguistic knowledge to support student attainment. Expert contributors show how recent innovations in linguistics can support language teaching by providing a range of practical ideas that can be used in the classroom. Knowing About Language is a valuable theoretical, critical and practical guide for the teacher and researcher, and anyone interested in applied linguistics and the study of language in education.Written by authors who are passionate about the value of language study both as a classroom topic and more generally, this book acts as a resource to inform and support teachers in wider aspects of their role by demonstrating the powerfully enabling nature and inherent value of language study and linguistics in secondary and post-16 curricula.