SLUth Search Plus includes articles published in scholarly journals, magazines, and newspapers as well as books, and ebooks. It's very multidisciplinary in scope, so you can use it to find credible sources of information on any topic. It includes about 100 of the SLU Libraries 400 (or so) subscription databases and the SLU Libraries Catalog. So, you're not searching everything the SLU Libraries have, but you're searching a lot.
Learn how to use SLUth Search Plus by watching this short video.
If you're specifically looking for books in the SLU Libraries, you may find that searching the SLU Libraries Catalog is easier than searching SLUth Search Plus. Remember, you don't need to read the whole book to use it! Use the table of contents and index to find relevant chapters!
Learn how to find books on a topic using the SLU Libraries Catalog by watching this short video.
Often, primary sources are collected and published in book form at a later date. So, for example, you could find a collection of primary sources related to early Buddhism in the library that was published in 2022 (the collection, not the original sources). In other words, don't be thrown off when looking at publication dates!