Robert Gass & John Seiter 
Arguing, Reasoning, and Thinking Well [PDF ebook] 

Arguing, Reasoning, and Thinking Well offers an engaging and accessible introduction to argumentation and critical thinking. With a pro-social focus, the volume encourages readers to value civility when engaged in arguing and reasoning. Authors Gass and Seiter, renowned for their friendly writing style, include real-world examples, hypothetical dialogues, and editorial cartoons to invite readers in. The text includes a full chapter devoted to the ethics of argument, as well as content on refutation and formal logic. It is designed for students in argumentation and critical thinking courses in communication, philosophy, and psychology departments, and is suitable for students and general education courses across the curriculum.