Cool! In Hamburg there are such mini libraries in some busses http://www.hamburg.de/image/4027762/uncropped/690/518/bc2ce801e945acb192d536ee4d0ab6ef/sq/buecherb

Cool! In Hamburg there are such mini libraries in some busses http://www.hamburg.de/image/4027762/uncropped/690/518/bc2ce801e945acb192d536ee4d0ab6ef/sq/buecherbus-bild.jpg http://www.hamburg.de/image/4027762/uncropped/690/518/bc2ce8... and as I see here we already have one little free library too :) http://de.wikipedia.org/wiki/Liste_%C3%B6ffentlicher_B%C3%BCcherschr%C3%A4nke http://de.wikipedia.org/wiki/Liste_%C3%B6ffentlicher_B%C3%BC...