The term refers to a specific type of crossword puzzle clue designed to elicit the dimensions of a book. This might be expressed as a single word (like “octavo”) or a more descriptive phrase (such as “small format”). An example would be a clue like “Common dimensions for a paperback” with the answer being “MASSMARKET.” The clue requires solvers to consider the physical attributes of books rather than solely relying on literary knowledge.
Such clues offer a unique challenge, bridging the gap between literature and general knowledge. They encourage solvers to think about the physical form of books, from pocket-sized paperbacks to large-format art books. Historically, book sizes have been standardized using terms derived from the folding of paper sheets. Understanding these historical printing practices can be an advantage for crossword enthusiasts. This intersection of practical knowledge and wordplay enhances the complexity and enjoyment of the puzzle.