// read a book
void main()
{
   object oPC=GetClickingObject();
   object oWP=GetNearestObjectByTag("BOOK_NAME",oPC);
   string sConv=GetName(oWP);
   SendMessageToPC(oPC,"You clicked on "+sConv);
   AssignCommand(oPC,ClearAllActions());
   AssignCommand(oPC,ActionStartConversation(oPC,sConv,TRUE,FALSE));
}