In her conversational and candid style, Jackson explains the mastery principles and how to start using them to guide planning, instruction, assessment, and classroom management. She answers questions, shares stories from her own practice and work with other teachers, and provides all-new, empowering advice on navigating external evaluation. There's even a self-assessment to help you identify your current levels of mastery and take control of your own practice. Teaching is hard work, and great teaching means doing the right kind of hard work: the kind that pays off. Join tens of thousands of teachers around the world who have embarked on their journeys toward mastery. Discover for yourself the difference that Jackson's principles will make in your classroom and for your students.