To get some contextual background information on your topic, add:
AND (encyclopedia OR handbook)
to your basic search in Discover, then limit to books. This will give you resources that will help you formulate your specific topic and get some background knowledge.
Click here for an example search.
A database of encyclopedias, almanacs, and specialized reference sources. Fully searchable across all files.
The below lists of resources will help you get started on a particular topic.