Sometimes our accumulations overwhelm us and we put the unwanted portion out on street corners -- perhaps someone will adopt these cast offs? The pile looks wistful.
Sometimes we create very personal exchanges:
These street libraries can be more elaborate.
Fortunately we've chosen to build up for ourselves a PUBLIC library; we don't entirely have to spread our books ourselves. The Friends of the San Francisco Public Library will take donated books and facilitate our selling them to each other, for the public benefit.
I imagine that, within the next couple of decades, most reading will be done on electronic devices. But for now, those of us who are readers still struggle with the question: what to do about the books?