The verified answer to “Books and Authors question: With Train to Pakistan as the reference work, which book–author pair is correctly matched?” is Train to Pakistan — Khushwant Singh, option D. The source-backed, question-specific record explains: Train to Pakistan is correctly associated with Khushwant Singh. The work’s first publication is conventionally dated to 1956, and its original language is English. These three details—title, author, and language—form the decisive bibliographical combination required here. Khushwant Singh, a major Indian literary figure, is also associated with I Shall Not Hear the Nightingale; that companion title helps confirm the authorship independently rather than through guesswork. The distractor set (A Suitable Boy — Mark Twain; The Adventures of Tom Sawyer — Toni Morrison; Beloved — Vikram Seth) must therefore be tested as complete statements: one true fragment cannot make an entire option correct. A common examination trap is to confuse an author’s nationality with the language of composition, or a translation date with first publication. Another is to treat a well-known adaptation or later edition as the original work. Revision takeaway: remember the compact chain “Train to Pakistan — Khushwant Singh — English — 1956,” and connect it with I Shall Not Hear the Nightingale 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 D gives Train to Pakistan — Khushwant Singh and satisfies the wording of the question. The remaining choices—A Suitable Boy — Mark Twain, The Adventures of Tom Sawyer — Toni Morrison and Beloved — Vikram Seth—do not satisfy the complete requirement.