Sawyer Leaning 24.5" Bookcase(2options)

Amazon

Modern 5-Tier Ladder Bookshelf Organizer

Haotian

Modern Ladder Bookcase

Zipcode Design

Ricardo Ladder Bookcase Bookcase

Crate & Barrel

Sawyer White Leaning 18" Bookcase(2options)

West Elm

Ladder Leaning Bookshelf (25") (3 colors)

CB2

Stairway Wall-Mounted Bookcase - 96" Height (2 colors)

Crate & Barrel

Emmer Oak Bookcase(2options)

West Elm

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