This manual is designed as a guide to help both new and experienced preschool teachers answer these questions and make decisions about the instructional practices that are appropriate for their classrooms. The manual is organised into three sections. Section I identifies seven principles of instruction that should be applied in a preschool classroom. Section II contains information about the organisation of the preschool classroom. Section III presents appropriate teaching strategies that reflect the principles of instruction identified in Section I. These strategies are research-based and address those components of literacy development considered to be most critical at preschool.