A typical Google search for a science topic might return millions of results, many of them too advanced or completely off‑topic. FactHound returned a of websites that were directly relevant to the specific book. This helped students focus on their research without getting overwhelmed.
Printed text can be ambiguous.
FactHound codes are not always permanent. Depending on the publisher's contract with the website owners, some codes expire after 2 to 5 years. If you have a very old library book from 2012, there is a high chance the linked websites no longer exist or the license has lapsed. www.facthound.com code