addition filtering

[geozerocool]

hi

when customer looks for products in categories there are some field they see for example quantity name price model and manufacturers

 

 

as you know manufacturers are linkable so when i click on it i see all the products buy this manufacturer

 

i want MODEL to be clickable too and like i tld above to see all the products of this model "actulally the field model i use like authorr" and i want to list all the products by the autho it's a book shop is there any contribution like this ? :)