In order for schools to help students with learning difficulties and disabilities improve their achievement in mathematics, educators, researchers, practitioners, and policymakers need a better understanding of the evidence based on what is behind these students' difficulties in learning math. That is just what they will get with this landmark…

The last 25 years have witnessed an explosion of research at the intersection of typical language development and child language disorders. A pioneer in bringing these fields of study together is Robin S. Chapman, Emerita, University of Wisconsin. This contributed volume honors her with chapters written by former students and colleagues, who track…