IndexError

Level 1 of the Dungeon
[Shop] Vabyall's Book Shoppe
  a book of Burglary (200 gold)
  a Grand Grimoire (340 gold)
  the Thoughts on Alluring Wicked Acts (500 gold)
    Spells                            Type                      Level
     a - Necrotise                     Necromancy                    1
     b - Fulminant Prism               Conjuration/Hexes             4
     c - Animate Dead                  Necromancy                    4
     d - Borgnjor's Vile Clutch        Necromancy/Earth              5
     e - Simulacrum                    Ice/Necromancy                6
  a book of Rime (280 gold)
  a book of Displacement (220 gold)
  a book of Geomancy (180 gold)
  a book of Annihilations (600 gold)
  a book of Frost (200 gold)
  a book of Weapons (280 gold)
(0, 0, D:1)
  4 stones
(2, -23, D:1)
  a +0 club
(8, 25, D:1)
  a ball python corpse (skeletalised by now)
(14, 15, D:1)
  a +0 leather armour
(14, 17, D:1)
  6 stones
(49, -21, D:1)
  6 stones
(54, -20, D:1)
  a +0 robe
(54, 7, D:1)
  5 large rocks {!d}
(66, -16, D:1)
  6 stones

Level 2 of the Dungeon
(0, 0, D:2)
  6 stones
(0, 2, D:2)
  a +0 whip
  a kobold corpse
(3, 8, D:2)
  a hobgoblin corpse
(7, -3, D:2)
  a +0 whip
(8, -3, D:2)
  a giant cockroach corpse
(10, -3, D:2)
  a giant cockroach corpse
  a giant cockroach corpse
(11, -5, D:2)
  a giant cockroach corpse
  a giant cockroach corpse
  a giant cockroach corpse