A common challenge encountered in puzzles involves identifying a lengthy volume. The descriptor “big” often implies a substantial work, while “book” directly indicates the medium. Therefore, a successful solution typically points to a well-known, lengthy written work. An example of such a solution is ENCYCLOPEDIA, a comprehensive compendium of knowledge.
The significance of this type of clue lies in its ability to test general knowledge and vocabulary. Solving it successfully requires a broad understanding of literature, reference materials, and common word associations. Historically, clues referencing literary works or large compendiums have been prevalent in puzzles, reflecting the value placed on knowledge and erudition.