Item:Slightly scuffed secondhand textbook

slightly scuffed secondhand textbook
Look:	Each section appears heavily annotated in thick black ink, the detailed liner notes clarifying complex matters and leaving a number of unanswered questions heavily underlined.
Weight:	20 stones
Metal:	No
Appraised Cost:	2,771,620 Kronars2,217,296 Lirums <br />2,000,000.992 Dokoras <br />2,771.62 LTBpoints <br />2,771.62 Tickets <br />2,771.62 Scrips <br />
Properties:	This is an item. This item has more than normal or unusual verbs. This item can be upgraded with potency crystals. This item trains a skill with its use.
Dimensions:	1 length x 1 width x 1 height
Sources:	Source is Hollow Eve Festival 428/Raffles

You think that you could OPEN, CLOSE, TURN, STUDY, and READ the textbook.
You also think you could TURN the textbook to a particular chapter.
The table of contents reads: "Elothean, Halfling, Elven, Gor'Tog, S'Kra Mur, Kaldar, Gnome, Prydaen, Equine, Dwarven, Human, Rakash, Silver Leucro, Snow Goblin, Rock Troll, Rat, Heggarangi Frog, Croff Pothanit, Scavenger Goblin, Brocket Deer, Wild Boar, Grass Eel, Striped Badger, Blood Dryad, Blood Nyad, Glutinous Lipopod, Trollkin, Kelpie, Cougar, Boggle, Thunder Ram, Boobrie, Malodorous Bucca, Copperhead Viper, Young Ogre, Dusk Ogre, Sun Vulture, Bison, Fire Maiden, Moss Mey"

Unlocks:
The secondhand textbook is designed to be studied. There are 4 potential upgrades. Each Tier unlocks more anatomy information.

Tier 1: (UNLOCKED!)

Tier 2: (LOCKED)

Tier 3: (LOCKED)

Tier 4: (LOCKED)

Tier 5: (LOCKED)