This guide provides all the essential background information on the topic of reading and writing difficulties (LRS) and highlights the challenges that children with LRS face in acquiring literacy, as well as the most effective support measures for them. It answers fundamental questions regarding definition, causes, diagnostics, and legal frameworks. You will receive information on the necessary prerequisites and skills for literacy, along with concrete recommendations for effective support measures. With simple diagnostic and documentation tools, you will always have an overview of your students' learning progress. The accompanying CD offers editable tests, evaluation forms, learning development reports, and additional resources and templates.