"I long ago lost count of the number of instructors who have told me that the Four Bases really work. When you explain the four bases to students and make the bases really clear with a lot of activities, students get it. You can see the light in their eyes." - John Langan.About the Book:Highly regarded and used by countless students, this effective rhetoric/handbook is ideal for freshman writing courses that focus on the essay. College Writing Skills features the successful Langan approach that focuses on the four essentials of writing: unity, support, coherence, and sentence skills.About the Media Edition:This media-enhanced version of John Langan's College Writing Skills improves the link between the text of the fifth edition and the media supplements developed and class-tested to complement the text's pedagogy. Each of the 45 chapters features new icons that let students and instructors know where to find additional exercises, extended explanations, and supplemental resources for the topic at hand. - from Amzon