School success in the 21st century requires proficiency with expository discourse -- the use and understanding of informative language in spoken and written modalities. This occurs, for example, when high school students read their textbooks and listen to their teachers' lectures, and later are asked to demonstrate their knowledge of this complex topic through oral reports and essay examinations.

Although many students are proficient with the expository genre, others struggle to meet these expectations. This book is designed to provide information on the use and...