Bookshelf is a small addon, which basically is the core or the so-called a library. This mod is designed to work with other mods. It also adds new types of armor for horses and will allow you to change the color of items.
How to install Bookshelf
- Download and install the Minecraft Forge
- Download a mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods