"pocket-size"的定义和意义

What is "pocket-size"?

Pocket-size refers to a book that is small and compact enough to fit into a pocket or a small bag. These books are designed to be easily portable and convenient for on-the-go reading. Pocket-size books typically have a smaller trim size, making them more manageable and easier to carry compared to larger formats. They are often used for travel guides, novels, or other reading materials where portability is a key factor.