How to add a Bookshelf

Navigate to your dashboard.
Scroll to the bottom of your tower.
Select the ‘Add Bookshelf’ button.
Enter your desired name and visibility status of your shelf. Select a Room background, Bookshelf top, and Bookshelf backing.
Select ‘Create Shelf!’
Your shelf is now visible at the bottom of your Tower!

Alternatively you can do this from the Tower view.

Select the 'Tower’ option on the Navigation bar.
Scroll to the bottom of your tower.
Select the ‘Add Bookshelf’ button.
Enter your desired name and visibility status of your shelf. Select a Room background, Bookshelf top, and Bookshelf backing.
Select ‘Create Shelf!’
Your shelf is now visible at the bottom of your Tower!