Books on the topic of Psychology can be found in the BF section of the library stacks.
Remember you might have to look at other areas depending on your topic (example, if you topic is about education then you might look in the education/teaching section).
Find Books using Library Catalog. (Login using your TTC login.)
Find eBooks using Library Catalog or the TTC Library Databases. You can find all the databases available at "Databases A-Z." (Login using your TTC login.)
(Tip: Click on the drop down menu listed as "All Subjects", select "Psychology." This will provide you with suggested eBook databases for psychology.)