One of the most valuable features of World Book Student does not have a button to press; it’s not in the menu bar, and it’s not even shown on the home page.
It's not a new feature. This feature has been around since I was a kid in the World Book print edition, and as we are the only company publishing an encyclopaedia every year, it still is.
So how does this feature work and how do you use it?
The amount of information available to us now is colossal. But almost all of it is written at an adult level, or there is no clear path to learning about the subject. What's why World Book print is still the fastest way to find reliable unbias information on a wide verity of subjects.
Here is a comparison. This first paragraph is from another resource widely used today. (No, I did not fix the grammar errors)