Tree-Shaped Bookshelf (Multiple options)

Tribesigns

5-Tier Bookshelf

MUJI

Stacking Shelf Oak Additional - 2 Tiers

Homedepot

Brown 4-Shelf Ladder Bookcase

Crate & Barrel

Tate Walnut Storage Bookshelf

West Elm

Modern Staggered Bookshelf

West Elm

Otto Bookshelf (2 sizes)

Crate & Barrel

Elias Natural Elm Wood Open Bookcase

Crate & Barrel

Thomas Barley Oak Wood Wide Open Bookcase/Room Divider