This book presents descriptions and examples of 42 common informal fallacies: Ad Hominem Ad Hominem Tu Quoque Appeal to the Consequences of a Belief Appeal to Authority Appeal to Belief Appeal to Common Practice Appeal to Emotion Appeal to Fear Appeal to Flattery Appeal to Novelty Appeal to Pity Appeal to Popularity Appeal to Ridicule Appeal to Spite Appeal to Tradition Begging the Question Biased Generalization Burden of Proof Circumstantial Ad Hominem Fallacy of Composition Confusing Cause and Effect Fallacy of Division False Dilemma Gambler's Fallacy Genetic Fallacy Guilt by Association Hasty Generalization Ignoring a Common Cause Middle Ground Misleading Vividness Peer Pressure Personal Attack Poisoning the Well Post Hoc Questionable Cause Red Herring Relativist Fallacy Slippery Slope Special Pleading Spotlight Straw Man Two Wrongs Make a Right