The only other EU books I remember reading aside from Daley and Zahn were the Jedi Academy ones, which look to be from 1994
http://en.wikipedia.org/wiki/The_Jedi_Academy_trilogy
However shortly after that series Star Wars went "Dragonlance" - ie, utter saturation of the market with complete drivel. Cinematic foreshadowing of what was to come .... !