@jkottke Probably unrelated, but this is a superb story about another time Goodnight Moon was left of a list of popular books: https://99percentinvisible.org/episode/goodnight-nobody/
Goodnight Nobody - 99% Invisible
To celebrate the 125th anniversary of the New York Public Library, a list was published of the ten books that had been checked out the most in the history of the library — and most of these were children’s books, like The Cat in the Hat and Where the Wild Things Are. Curiously absent from