A monograph is a scholarly book with a narrow focus. While a biography focuses on the sweep of its subject's life, a monograph might focus only on one incident, or might discuss your person within the context of a specific trend.
Take a look at the books listed below. Which ones are biographies and which ones are monographs?
The easiest way to search for biographies in Primo is to use a combination of the name of your person (last name, first name) and the word, "biography" in an advanced search: