Type of the Text Argumentation essay tries to make the reader agree with its point of view and support it, to persuade him to change his mind or behaviors, and to approve a policy or a course of action that it proposes.The purpose of argumentation is to convince and persuade Argumentation frequently makes use of the other three types of writing--description, narration, and above all exposition Key features of argumentative writings: A good and effective argument has the following basic features: 1) It clearly defines the issue and has a clear position 2) The argument is well reasoned and well developed 3)It has an appropriate tone and credible persona On Buying Books is a short, simple and straightforward piece of persuasive writingType of the Text Argumentation essay tries to make the reader agree with its point of view and support it, to persuade him to change his mind or behaviors, and to approve a policy or a course of action that it proposes. The purpose of argumentation is to convince and persuade. Argumentation frequently makes use of the other three types of writing—description, narration, and above all exposition. Key features of argumentative writings: A good and effective argument has the following basic features: 1) It clearly defines the issue and has a clear position. 2) The argument is well reasoned and well developed. 3) It has an appropriate tone and credible persona. On Buying Books is a short, simple and straightforward piece of persuasive writing