I have the Advanced Heroquest "Rules for Heroic Roleplay" 64pp booklet from the boxed set in Excellent condition as well as the "Terror in the Dar" 96pp booklet from that boxed set in Very Good condition.
I'm sorry, I do NOT have the tiles or figures.
You can have them for *free* on two conditions:
1) You pay postage from Florida to you. $4.75 Priority Mail in US, the rest of the world: International Priority Mail $12.78