More indepth library tutorial

What Feature would you like to see included within TaleSpire?
What does it look like, how does it work, how is it used. Paint us a figurative picture.

An additional simple explanation of:

A. how to add items to the hotbar

B. What the Book and Star Icons/Lists/Collections in the bottom right do.

What situations would this Feature be useful?
Descriptions, examples, interactions with existing features - whatever you can think of to get your idea across!

 Beginners trying to learn how to work with TaleSpire

Additional Thoughts/Details

I have managed to find out, on my own, that the star is for favorites, the book a history and you have to hold x to add an item to you favorites in the star menu.