The books in the library are classified and arranged according to the Dewey decimal system. This system arranges books by subject matter, so you can easily find the books you need for your research.

The Dewey decimal system is a way of organizing information according to subject matter. It was invented by Melvil Dewey in 1876, and it is still in use today. The system is divided into ten main categories, with each category further divided into ten subcategories. This system makes it easy to find information on any topic, and it is still used in many libraries today.