Sure! Let's break down the term "pocket book."
A pocket book is a small, thin book that is typically made of paper and can easily fit in your pocket. It's often a paperback, meaning it has a soft cover rather than a hard cover.
You can use "pocket book" to describe a book that is convenient to carry around. These books are often used for light reading, travel, or when someone wants to read on the go.
"I always carry a pocket book with me on the train so I can read during my commute."
In some contexts, "pocket book" can also refer to a person's financial situation or budget, especially in idiomatic expressions. For example, "tightening your pocket book" means being careful with your money.
A "pocket book" is a handy, small book that you can take anywhere. It's great for reading when you have a little time to spare, and it can also refer to money management in some contexts.