Reply To: Multiple categories of categories?

@ Sarah

An example of this can be found here:

https://sscit.org/

What you see on this page is a custom coded extension which is suitable for production use just not generally available thru the store because setup is a little complex. If you wish, I can sell this solution to you, including setup and configuration for a reasonable fee. If this is acceptable, let me know and I can send you a quote.