Here is what in Shop Item Mod,
If you build a building sure as this, you might able to buy a item! Some there is changed building as well. ( well some cost 180 gold to 3,000 gold for balance)
AdventurersGuild - Champions can purchase thing help them travel better.
Apothecary - Champions can purchase Potion of Fire Resistance, Postion Growth, and Poison Vial.
Barracks - Champions can purchase book of attack. (1000 gold)
Cleric - Champions can purchase healing and restoration potions.
HedgeWall - Champions can purchase Book of Denfense.
Fort - Champions can purchase Book of Denfense.
Guardian Statue - Champions can purchase aid of Golem.
Library - Champions can purchase Book of Experience.
Tower Of The Magi - Champions can purchase Book of Power.
WarCollege - Champions can purchase Book for greater attack and book of dodge. (1000 gold)
If build a Water Shrine, Tome of the Waves
Fire Shrine Tome of the Inferno
Earth Shrine Tome of the Mountain
Air Shrine Tome of the Wind
Here is download, http://dl.dropbox.com/u/71094645/Shop%20Mod.zip
Feedback is welcome.
Had fun!