The first edition of this book was a bestseller, and is generally regarded as the most widely used and authoritative text on this topic. This completely revised and updated second edition takes into account the latest changes in educational practice, and includes coverage of recent developments in teacher appraisal and school inspection procedures. The author is an international expert on research into teaching and learning, but has always been someone who writes with teachers in mind. You will find a combination of case studies, photographs and illustrations used here to show how various people study lessons for different purposes and in different contexts. He explains a number of approaches in clear language and gives examples of successful methods that have been employed by teachers, student teachers, researchers and pupils. This book is essential reading for anyone serious about becoming a good teacher or researcher in education.