What is a group of Books called?

A group of books is commonly called a Pile. Other collective nouns you may see include Shelf and Library.

Collective nouns for books refers to the collective term used to describe a group or collection of books. Just as there are unique names for collections of animals, such as a herd of elephants or a school of fish, the concept of collective nouns extends to other objects as well—including books. While there are no universally recognized collective nouns specifically for books, some creative and imaginative terms have been coined to describe them. One possible collective noun is a "library" of books, drawing inspiration from the traditional repositories of knowledge and stories. This term evokes images of a grand collection of books, neatly organized and available for browsing or study. The term "bookshelf" can also be used, conjuring a mental image of multiple books carefully arranged on a single shelf or set of shelves. Both these terms showcase the idea of books as valuable items collectively arranged in a particular space. Another possibility is a "stack" of books. This term portrays books that are piled one on top of another, as commonly seen in bookstores or on individuals' coffee tables. It creates an image of books gathered informally in a bundle or heap, waiting to be plucked from the top and enjoyed. Furthermore, a "library" or a "bookshelf" could be used to indicate a physical collection in a particular location, whereas a "library" or a "collection" could represent a broader scope, encompassing books from various places or individuals. Such expansive nouns connote the idea of books scattered across different origins, yet collectively forming a larger whole. Overall, creative and imaginative collective nouns for books help to capture the beauty and diversity of written works, communicating the idea of books as treasures that can be collectively appreciated together. Although different terms can be used based on context or personal preference, they all emphasize the joy and enrichment that come from the exploration and sharing of knowledge and stories contained within books.