Tens of thousands of language teachers have used the first edition of Testing for Language Teachers. This second edition of the best selling book on language testing remains the most practical guide for teachers who want to have a better understanding of the role of testing in language teaching. It has a new chapter on testing young learners and expanded chapters on common test techniques and testing overall ability. There is also an additional appendix on item banking and a revised appendix on statistical analysis of test data. The principles and practice of testing are still presented in a logical, accessible way and guidance is given for the reader to devise their own tests. The second edition of Testing for Language Teachers analyses what makes a good test, considers the different purposes of testing, discusses how testing can encourage good teaching and learning, describes common test techniques and administration. [...]