alt Hacker NewsWikipedia lists them by country, and with pictures, for example
French: [Boîte à livres](https://fr.wikipedia.org/wiki/Bo%C3%AEte_%C3%A0_livres?wprov...)
German: [Öffentlicher Bücherschrank](https://de.wikipedia.org/wiki/%C3%96ffentlicher_B%C3%BCchers...)
and many more countries. They all need a caretaker, or else they degenerate into rubbish.
In France I stumbled upon one during a holiday trip, it was located in an old phone booth. Hmm, I must have a picture somewhere in my photo collection, …
"In France I stumbled upon one during a holiday trip, it was located in an old phone booth"
Those are pretty common in (eastern) germany, they were empty for a while after the telephones went out of service and then before demolishing many got turned into little libaries. I really like the idea and exchanged many books.