* Encyclopedia: This is the most common term for a comprehensive collection of information on a wide range of subjects, often arranged alphabetically.
* Reference library: This term applies to a collection of books, articles, and other resources that provide information on various subjects.
* Multidisciplinary collection: This term is used when the books cover a range of disciplines, such as science, history, literature, and art.
* General knowledge collection: This term emphasizes the breadth of topics covered in the set of books.
* Compendium: This term refers to a collection of concise summaries or outlines of information on different subjects.
Ultimately, the best term to use will depend on the specific nature and purpose of the set of books.