On the upper ladder, there is a wooden pole that is screwed on it.
Vintage Wooden Library/ Book Octagonal Table Pull Out Shelf
Unusual Vintage Wooden Book Rack / Shelf / Library Tray
Spiral Curved Wooden Library Steps Staircase
Wooden Library Steps Staircase
Antique Wooden Library Chair / Steps / Stool / Country Kitchen
Pair of Spiral Curved Wooden Library Steps Staircase Inlaid Green Leather Treads
