Final Answer:
To reference all pages in a book that discuss a specific topic, consult the book's index. The index lists keywords or topics alongside the pages they appear on, allowing quick access to relevant information within the book.
Step-by-step explanation:
The index of a book serves as a comprehensive roadmap, guiding readers to specific pages where topics are discussed. It's typically located at the end, arranged alphabetically or thematically, listing keywords, concepts, or names alongside corresponding page numbers. For instance, suppose you're exploring a topic like "gravity" in a physics textbook. By referring to the index, you'd find entries for "gravity," revealing a list of page numbers where the concept is discussed, such as pages 56, 112, and 245.
This process is efficient because it negates the need to scan through the entire book. Instead, it provides a direct reference, saving time and effort. Additionally, some books might also include subentries or cross-references in the index, further enhancing navigation. For instance, under "gravity," there might be additional references to "Newton's law of universal gravitation" or "effects of gravity on celestial bodies," each with their respective page numbers, streamlining access to related content.
The index's functionality lies in its organization and cross-referencing, making it an indispensable tool for researchers, students, and anyone seeking specific information within a book. Its structured layout simplifies the retrieval of relevant content, ensuring precision and ease in locating discussions on a particular topic across various pages of the book.