Lynda Walsh explores a provocative era in American history—the proliferation of fake news stories about scientific and technological discoveries from 1830 to 1880. These hoaxes, which fooled thousands of readers, offer a first-hand look at an intriguing guerilla tactic in the historical struggle between arts and sciences in America. Focusing on the hoaxes of Richard Adams Locke, Edgar Allan Poe, Mark Twain, and Dan De Quille, the author combines rhetorical hermeneutics, linguistic pragmatics, and reader-response theory to answer three primary questions: How did the hoaxes work? What were the hoaxers trying to accomplish? And—what is a hoax?