Quest for Glory II Trial by Fire - 1990 VG was released on:

USA: 1990

Quest for Glory II Trial by Fire - 2008 VG was released on:

USA: 24 August 2008 (PC version)

There are five: Antwerp, Belgium; Antwerp, Ohio, USA; Antwerp, Michigan, USA; Antwerp, New York, USA; and Antwerp, Victoria, Australia.

You can find them on the back wall of the apothecary. You can also find answers to questions like these from a good game FAQ, just search for "Quest for glory 5 gamefaqs" or "game faqs".

You can recharge your Amulet of Glory in the Heroes' Guild, but the problem is you need to complete the quest "Heroes' Guild" otherwise you can't get to the fountain of glory to recharge it.