Anthony Weston is Professor Emeritus of Philosophy and Environmental Studies at Elon University.

Comments on a previous edition: “This is the ultimate ‘how-to’ book for anyone who wants to use reasons and evidence in support of conclusions, to be clear instead of confusing, persuasive instead of dogmatic, and better at evaluating the arguments of others.” —Debra Nails, Professor of Philosophy Emerita, Michigan State University

Anthony Weston is Professor Emeritus of Philosophy and Environmental Studies at Elon University.

Comments on a previous edition: “This is the ultimate ‘how-to’ book for anyone who wants to use reasons and evidence in support of conclusions, to be clear instead of confusing, persuasive instead of dogmatic, and better at evaluating the arguments of others.” —Debra Nails, Professor of Philosophy Emerita, Michigan State University

Anthony Weston is Professor Emeritus of Philosophy and Environmental Studies at Elon University.

Comments on a previous edition: “This is the ultimate ‘how-to’ book for anyone who wants to use reasons and evidence in support of conclusions, to be clear instead of confusing, persuasive instead of dogmatic, and better at evaluating the arguments of others.” —Debra Nails, Professor of Philosophy Emerita, Michigan State University