Authors:

As long as you have any floor space at all, you have room for books! Just make two stacks of books the same height, place them three or four feet apart, lay a board across them, and repeat. Viola! Bookshelves!

Jan Karon (1998). “Out to Canaan”, p.187, Penguin
As long as you have any floor space at all, you have room for books! Just make two stacks of books the same height, place them three or four feet apart, lay a board across them, and repeat. Viola! Bookshelves!