Mid-Century 3-Piece Wide & Narrow Narrow Bookshelf Set(2colros)

Amazon

Modern 5-Tier Ladder Bookshelf Organizer

Calico Designs

Ashwood Stackable Bookshelf

Zipcode Design

Ricardo Ladder Bookcase Bookcase

American Heritage

Shelf Ladder Bookcase

Pottery Barn Kids

Madison 4-Shelf Bookrack

Crate & Barrel

Pilsen Graphite Bookcase with Glass Shelves(multiple options)

West Elm

Parsons Tower (42")

Crate & Barrel

Emmer Oak Bookcase(2options)