All books in the library have a call number, which is like an address that tells you where they are located. You can find religion books at call numbers BL - BX, at both the Waterfront Plaza and Atherton Libraries. These religion call number are divided as follows:
You can also explore the Library of Congress Call Number B Outline to narrow in on a call number range more specific to the aspect of religion you are interested in, and then browse the stacks in that area.
You can search HPU Discovery for religion resources using subject headings. In the search bar, type "su:" and your subject term. For example, "su:Antiquities." Here are a few subject headings to get you started: