confidenceinterval

Level 1 of the Dungeon
[Shop] Ynasch's Book Shop
  the Disquisition on the Storm and Putrescence (480 gold)
    Spells                            Type                      Level
     a - Sting                         Transmutation/Poison          1
     b - Spider Form                   Transmutation/Poison          3
     c - Olgreb's Toxic Radiance       Poison                        4
     d - Lightning Bolt                Conjuration/Air               5
     e - Conjure Ball Lightning        Conjuration/Air               6
  a book of Dreams (240 gold)
  a book of Lightning (360 gold)
  a book of Scorching (300 gold)
  a book of Displacement (240 gold)
  a book of Conjurations (200 gold)
  a book of Hexes (360 gold)
(0, 0, D:1)
  a +0 club
(13, 28, D:1)
  a +0 short sword
(19, -6, D:1)
  a +0 club
(33, 6, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(28, 0, D:2)
  a +0 short sword
(28, 10, D:2)
  a +1 dagger of draining
  a stone
(30, 5, D:2)
  a +0 club
(33, -3, D:2)
  a +0 flail
(34, -1, D:2)
  a +0 spear
(38, -2, D:2)
  a +0 spear

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 short sword
(3, -2, D:3)
  a +0 short sword
(4, -2, D:3)
  a bat corpse (skeletalised by now)
(9, 3, D:3)
  an adder corpse (skeletalised by now)
(13, -6, D:3)
  a +0 robe
(27, -23, D:3)
  a +0 flail
(30, -1, D:3)
  8 stones
(41, -8, D:3)
  a +0 long sword
(43, -5, D:3)
  a +0 flail

Level 4 of the Dungeon
(4, -3, D:4)
  a potion of mutation
(4, 5, D:4)
  a +0 dagger
  a goblin corpse
(7, -7, D:4)
  11 gold pieces
(9, 4, D:4)
  the Teachings on Ensorcelling and the Pyromaniac
    Spells                            Type                      Level
     a - Conjure Flame                 Conjuration/Fire              3
     b - Ignite Poison                 Fire/Transmutation/Poison     3
     c - Enfeeble                      Hexes                         7
  (unseen)
(12, -12, D:4)
  a ball python corpse
(15, 0, D:4)
  a +0 robe
(17, -31, D:4)
  a potion of degeneration
(18, -9, D:4)
  7 stones
(20, -24, D:4)
  a +0 hand axe
  a boomerang
  a +0 ring mail
(20, -5, D:4)
  7 gold pieces
(20, -1, D:4)
  7 gold pieces