This course aims for the development of learners’ proficiency in English writing and ability of critical thinking by integrating the knowledge and strategies of critical thinking into the traditional teaching about English argumentative essays. Core learning contents of the course include critical thinking strategies, English discourse organization skills, and language tips of effective written English. Upon the completion of the course, learners will be able to understand the purpose and core components of a critical essay, present clear theses over contemporary issues, apply five inductive and deductive reasoning strategies to justify their theses, evaluate and respond to conflicting ideas forcefully, produce complete persuasive critical essays in accurate English, and reflect on their own thinking and writing and make self-correction if necessary. All of this will give learners better competence in international communication and decisive edge in global competition.