Boolean is a set of commands that can be used in almost every search engine, database, or online catalogue. The most popular Boolean commands are AND, OR, and NOT. Other commands include parentheses, truncation, and phrases.
Please see U of T's FAQs on Boolean Operators for additional information.
Using Boolean command NOT in your search tells the search engine to give you results that contain the word(s) you entered except the word following NOT.
Psychology NOT Developmental: any results that contain the word "psychology" will appear in your results list except those results that also contain the word "developmental".
Created by the University of Toronto Library, as part of the Boolean Searching FAQs.
In order to search for books, go to the UTSC Library Catalogue. Download a full guide with LibrarySearch Tips here.
First, sign in using the icon in the upper right hand corner. Once you sign in, you will have access to additional catalogue features:
Select the advanced search option:
Select the catalogue option - this will help you limit your results list to books, and will give you more control over your search.
Enter keywords in order to search for books that are relevant to your topic, and select the relevant limiters. You can limit your search by Format (Book, DVD, CD, etc), Language, Library Location, and date:
Once you have your search results, you can narrow your sources to online items, and by subject: 
