IndexError

Level 1 of the Dungeon
[Shop] Gofon's Book Boutique
  a book of Winter (560 gold)
  a book of the Tundra (616 gold)
  a Young Poisoner's Handbook (280 gold)
  a book of Air (308 gold)
  a book of Winter (560 gold)
  a book of Hexes (616 gold)
(0, 0, D:1)
  a +0 club
(0, 11, D:1)
  a +0 short sword
(3, 19, D:1)
  a +0 spear
(5, 1, D:1)
  a +0 club
(8, 17, D:1)
  a +0 whip
(9, 11, D:1)
  a +0 ring mail
(10, 13, D:1)
  a +0 club
(13, 23, D:1)
  a +1 heavy sling
(18, 29, D:1)
  a +0 spear
(26, -6, D:1)
  a +0 robe
(28, 5, D:1)
  a hobgoblin skeleton
(29, 16, D:1)
  a +0 club
  a goblin skeleton
(29, 17, D:1)
  a +0 club
  a goblin skeleton
(36, -2, D:1)
  a bat skeleton
(36, 1, D:1)
  a +0 dagger of freezing
(37, -4, D:1)
  3 poisoned darts
(37, 23, D:1)
  5 stones
(43, 8, D:1)
  a +0 club
(45, 13, D:1)
  a +0 hand axe

Level 2 of the Dungeon
(5, 2, D:2)
  2 stones
  a +0 whip
(10, 3, D:2)
  3 stones
  a +0 whip
(12, 4, D:2)
  3 stones
(14, 24, D:2)
  a +0 pair of gloves
(17, 1, D:2)
  a +0 hand axe
(23, 11, D:2)
  a +0 club
(25, 29, D:2)
  a +0 dagger
(26, 26, D:2)
  a +0 robe
(29, -1, D:2)
  a +0 dagger
(31, 5, D:2)
  9 stones
(38, 17, D:2)
  a +0 club
(39, 24, D:2)
  a +0 club
(43, -1, D:2)
  a +0 short sword
  a stone

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 hand axe
  5 poisoned darts
  a +0 robe
(1, 1, D:3)
  a +1 heavy flail
(2, 2, D:3)
  a +0 whip
(3, 2, D:3)
  a +0 club
(9, -9, D:3)
  a +0 flail
(9, 19, D:3)
  a +0 chain mail
(16, 19, D:3)
  a +0 shortbow
(20, 24, D:3)
  a +0 cloak
(27, 2, D:3)
  a potion of haste
(30, 15, D:3)
  a +0 shortbow
(43, 0, D:3)
  7 gold pieces
  a +0 scale mail
  a +0 dagger
(44, 0, D:3)
  6 gold pieces
  a +0 ring mail
  a +0 dagger
(45, 0, D:3)
  9 gold pieces
  a +0 dagger
  a +0 ring mail