It is a simple concept: a box full of books where anyone may stop by and pick up a book and bring back another one (or two) to share.
Born as a community movement in the United States it is now spread all over the world. It is a fantastic way to get in touch with your neighbours and your community.
Look at the map to check if there is a Little Free Library close to you. And if you want to know more, here’s their website: