Alcove shelves, strong 12mm plywood (Tufnell Park, N7)

Sturdy 'boxed' alcove shelves for reuse. size in images - 78cm wide and deep shelves
They are on strong plywood - 12mm on the top - can take a lot of books/ weight.
All or any the wood from these is available for reuse - will be fine with a sand and repaint
The battens also available. These were glued with Sticks Like glue, which can support 2 rows of books on each shelf (!)