Dunno about the first question, check your logbook, does it say where Valgar goes? You can try his home in the Docks District.
You can get both merchants from the following website. It is compatible with ToB, so do not worry about it.
Baldurdash
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If not a Sorcerer casting total oblivion, then a Cavalier meting out justice. Otherwise, I think I will just be a Blade and torture my enemies with, "My Heart Will Go On".
Platinium Sorcerer of
Aerie
Loving
Sacred
Band!
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Party Sorcerer Spell List, v1.03
Dragon Slaying Tips
For your daily dosage of insanity,