Book excerpt: "Exercises in English" grammar workbooks are designed to give students in grades 3 through 8 comprehensive grammar practice in every area of grammar, usage, and mechanics. Features More grammar practice than any other grammar workbook, allows students to master GUM skills Spiral curriculum reinforces grammar skills in every grade Self-teaching student grammar lessons optimize class time Section reviews offer regular assessment opportunities Becoming stronger in grammar requires practice, and "Exercises in English" provides students with lifelong skills they will need to succeed.