These files are a fix for the gunthak POK book and also the zone to Stonebrunt Mountains. You need to place the Perl quest files in the eqemu\quest\gunthak and poknowledge directorys.
Gunthak is the entry-zone for all other LoY zones, so you need this to be working.
http://www.nahunta.org/~angelox/
It pays to search well though these forums; Thanks to Belfedia's old zone line solution, I was able to make a flawless and invisible zone line from Gunthak to Stonebrunt -