void main()
{
  object oPC = GetPCSpeaker();
  object oArea = GetArea(oPC);
  SetLocalInt(oPC,"iSkillBookUse",99);
  AssignCommand(oArea,DelayCommand(30.0,SetLocalInt(oPC,"iSkillBookUse",0)));
  AssignCommand(oArea,DelayCommand(30.0,SetLocalInt(oPC,"iSkillGain",0)));
  AssignCommand(oArea,SendMessageToPC(oPC,"Your skill has been unlocked successfully"));
}