Children led astray by the Bronx Traveling Library, Westchester Square branch, New York.
Here's how the city supplied books to the neighborhood, probably in the 1940's, anyway before the present library opened in 1956.
The leading astray part can be found in comments: "Many of us, I imagine, must have memories about libraries. For me the graceful limestone library that replaced this little wagon was my second home . . . "