You are a software developer at a company tasked with developing a simple library management system in Python. The system needs to manage books, including adding new books, borrowing books, and returning books.

$2\mathrm{.}1.$ Identify the most appropriate design pattern to create different types of books in a standardized way for the library management system.

Provide a detailed explanation of your choice and how it suits the requirements of the system. $(5$ marks$)$

$2\mathrm{.}2$ Implement the chosen design pattern. Your implementation should include a class or set of classes that use the design pattern and demonstrations of how the design pattern integrates into the library management system, specifically for adding new books, borrowing books, and returning books. $(10$ marks$)$