IndexError

Level 1 of the Dungeon
[Shop] Tyifetsoh's Book Shop
  a book of Frost (220 gold)
  a book of Storms (286 gold)
  a book of Weapons (528 gold)
  a book of Displacement (242 gold)
  a book of Unlife (308 gold)
  a book of Air (242 gold)
  a book of Contraptions (462 gold)
  a book of Spatial Translocations (198 gold)
  a book of the Grave (308 gold)
(0, 0, D:1)
  a +0 leather armour
(0, 29, D:1)
  a hobgoblin corpse (skeletalised by now)
(1, 27, D:1)
  a gnoll corpse (skeletalised by now)
(3, 18, D:1)
  a book of Callings
(8, 13, D:1)
  a quokka skeleton
(16, 1, D:1)
  a +0 dagger
(18, 19, D:1)
  a ball python skeleton
(22, 10, D:1)
  a quokka skeleton
(23, 21, D:1)
  a +0 dagger
(24, 6, D:1)
  a +0 animal skin
(27, 7, D:1)
  a +0 falchion
(35, 34, D:1)
  a +0 spear
(40, 21, D:1)
  a hobgoblin corpse (skeletalised by now)
(47, 21, D:1)
  a +0 leather armour
(50, 11, D:1)
  a hobgoblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger {Sarina}
(2, -8, D:2)
  a +0 ring mail
(4, 31, D:2)
  a +0 spear
(7, 39, D:2)
  a +0 mace {Cortez}
  an orc skeleton
(24, 50, D:2)
  4 stones
(31, 47, D:2)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(32, 41, D:2)
  a +0 flail
  a gnoll corpse
(33, 30, D:2)
  a frilled lizard corpse (skeletalised by now)
(33, 31, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(38, 38, D:2)
  a book of Flames
(40, 14, D:2)
  a staff of conjuration {!a}

Level 3 of the Dungeon
(0, 0, D:3)
  12 gold pieces