Boolean Searching

What if you want to narrow your search to find the most relevant books on your topic?

What if you want to broaden your search to find more books on your topic?

To narrow or broaden a search, you can use the searching method called Boolean logic that employs Boolean operators.

Boolean Operators

Two important Boolean operators are and and or.

• And is the Boolean operator that narrows your search by combining your main topic with another term(s).
• Or is the Boolean operator that broadens your search by giving the computer more than one term to search for your topic.