Launched in 2003 by Capstone Publishers, www.facthound.com was a curated search engine where students entered book-specific codes to find vetted, age-appropriate educational resources. The site allowed users to enter ISBNs or specific codes, clicking "Fetch It" to access curated, safe online material, though the service officially went offline in 2021. For more information, visit Computer Hope to learn What Is a FactHound? . What Is a FactHound? - Computer Hope