2 Neriak Rogue merchants not selling correct stuff
 

http://eqbeastiary.allakhazam.com/search.shtml?id=2341

and

http://eqbeastiary.allakhazam.com/search.shtml?id=2337

I went there in search of Red Hellebore, but neither of them had it. According to the rogue poison guide in the P99 Game Companion Jerris W'Selo is also supposed to carry "Silent Weapons of the Black Mask".

http://kikyara.tripod.com/books/books.html
&
http://kikyara.tripod.com/books/blackmask.html

Fixed, pending update.

Thanks Nilbog :)