Book excerpt: From leading authorities, this indispensable work is now in a revised and expanded second edition, presenting state-of-the-art tools and procedures for practitioners. The book shows how to use response to intervention (RTI) to evaluate K–12 students for specific learning disabilities (SLD). The second edition gives increased attention to optimizing the instructional environment in the context of a multi-tiered system of supports (MTSS). Procedures are described for screening at-risk students; using RTI to intensify instruction in reading, writing, and math; identifying SLD; determining eligibility for special education; and planning individualized education programs. Case examples and pointers for practice are woven throughout. In a convenient large-size format, the book includes reproducible tools that can be downloaded and printed for repeated use. New to This Edition *Incorporates contemporary perspectives on SLD, upgraded procedures for implementing an MTSS, new approaches to measuring RTI, and enhancements in using classroom observations. *Chapter on best practices in academic screening, including important dos and don'ts. *Separate chapters on using RTI for reading, written expression, and mathematics. *Chapter on RTI and special education law, focusing on what practitioners need to know. This book is in The Guilford Practical Intervention in the Schools Series, edited by Sandra M. Chafouleas.