Book excerpt: Divided into two volumes, the Handbook of Special Education Research provides a comprehensive overview of critical issues in special education research. Volume II addresses research-based practices, offering a deep dive into tiered systems of support and advances in interventions and assessments, as well as socially, emotionally, culturally, and linguistically relevant practices. Each chapter features considerations for future research and implications for fostering continuous improvement and innovation. Essential reading for researchers and students of special education, this handbook brings together diverse and complementary perspectives to help move the field forward.