Books will provide high-level overviews of a topic, and may be a good place to start familiarizing yourself with a concept. Search for books in our library from the main library page. Some examples are linked below.
Reading a review article is a great way to gain a basic understanding of a topic - and the list of references at the end can help you get started on further research. Below are instructions on how to locate review articles in several databases.
Finding or narrowing a topic for a paper? Some places to look for ideas: