An old project of mine, working on V3.
This can be abused on servers if you have perms, most text does something if you click it.
The reason "Book" items are so minimal is due to the fact its executing these in chat so the text limit still applies, if it wasnt for that this would be a bit more useful.
If you stay around till' the very end, you can convert this book into... find out yourself on page 10.