1. Who Is at Risk for Reading Difficulties?: Implications for Early Literacy Prevention and Intervention Programs 2. Accelerating Children's Language and Literacy Learning in Exemplary Prevention Classrooms 3. Keeping the End Goal in Mind: Teaching for Knowledge and Comprehension Gains 4. Literacy Development and Its Assessment 5. Using Assessment to Plan Differentiated Instruction 6. Small-Group Differentiated Instructional Activities for Early Emergent Readers and Writers 7. Small-Group Differentiated Instructional Activities for Later Emergent Readers and Writers 8. Small-Group Differentiated Instructional Activities for Experimenting Readers and Writers 9. Differentiated Instruction in Action Appendix A. A Primer on Phonics for Teachers Appendix B. Literacy Assessments Appendix C. Literacy Assessment Scoring Record Appendix D. Literacy Assessment Scoring Records for Eric, Sarah, Marceli, and Jacob