3 Tier Stackable Wood Bookcase Brooks Light Blue W/ Sturdy & Versatile

Mainstays 8-Cube Storage Organizer, 11.8" Shelves, White Bookcase, Wood Display

40 Inch Tall 3 Tier Bookcase Wooden Display and Storage Bookcase for Living Room

Brooks Stackable 3-Tier Wood White Bookcase

9 Cube Storage Organizer 3 Tier Stackable Wood Open Bookcase Display Shelf White

3-Shelf Bookcase with Adjustable Shelves, White

Bookshelf 5 Tier Storage Shelf Adjustable Bookcase Open Wood Magazine Organizer

TWO (2x) IKEA Black Cube EXPEDIT bookcase/shelving units. $50 for both.