The verified answer to “Books and Authors question: In a comparison beginning with The Wealth of Nations, which of the following book–author pairs is incorrectly matched?” is The Wealth of Nations — John Maynard Keynes, option C. The source-backed, question-specific record explains: The Wealth of Nations is correctly associated with Adam Smith. The work’s first publication is conventionally dated to 1776, and its original language is English. These three details—title, author, and language—form the decisive bibliographical combination required here. Adam Smith, a major Scottish literary figure, is also associated with The Theory of Moral Sentiments; that companion title helps confirm the authorship independently rather than through guesswork. The distractor set (The General Theory of Employment, Interest and Money — John Maynard Keynes; The Republic — Plato; Sapiens: A Brief History of Humankind — Yuval Noah Harari) must therefore be tested as complete statements: one true fragment cannot make an entire option correct. A candidate should first lock the title to its writer, then check the language, and finally use 1776 as a chronological cross-check. A common examination trap is to confuse an author’s nationality with the language of composition, or a translation date with first publication. Revision takeaway: remember the compact chain “The Wealth of Nations — Adam Smith — English — 1776,” and connect it with The Theory of Moral Sentiments for stronger recall. This evidence establishes the bibliographic relationship required in this Books and Authors item. A correct solution must preserve the exact title, author, publication context, language, award or comparison requested by the stem. Similar periods, genres or national traditions do not make two book–author pairs interchangeable. Option C gives The Wealth of Nations — John Maynard Keynes and satisfies the wording of the question. The remaining choices—The General Theory of Employment, Interest and Money — John.