Someone once told me that human beings have three dimensions: how you see yourself, how others see you, and how you want others to see you. The closer the distance between the three dimensions, the more at peace you are and the more stable you become.
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!