Book excerpt: Strategies for Students with Mild, Moderate, and Severe Intellectual Disabilities is a textbook for undergraduate and graduate students enrolled in special and general education teacher preparation programs (as well as practicing professionals) offering a solid, research based text on instructional methodologies for teaching students with intellectual disability across the spectrum of intellectual abilities. The book addresses both academic and functional curricula in addition to behavioral interventions. Additionally, Instructional Strategies for Students Mild, Moderate, and Severe Intellectual Disability adopts developmental or life span approach covering preschool through adolescence and young adulthood.