The present book addresses strategy-focused instruction in writing.This type of instruction proposes a global package of content and components, which together have shown effects in improving writing competence in children.Strategy instruction has been proven to be one of the most effective teaching practices for improving writing skills, as well as writing to learn in different content domains.The book starts with an introduction by the editors about the importance of strategy-focused instruction to promote writing in the school context, both as a content and as a learning tool.This book has a total of 12 chapters, divided in four sections.The first section includes an introduction and three chapters that approach writing instruction from different perspectives.The second section presents well-validated intervention programs for learning to write.This section includes two chapters presenting two specific instructional programs that can be used with full-range students in classrooms, across different educational contexts.The third part is composed of three chapters that address instructional programs focused on writing-to-learn.Finally, the fourth section includes the conclusion, as well as three chapters that discuss the strategy-instruction models presented in the previous sections.