This has happened before, in the late 1800s/early 1900s. From [1] (see the transcript). "Well, the unique thing about this period– the late 1800s and the earl

This has happened before, in the late 1800s/early 1900s. From [1] (see the transcript). "Well, the unique thing about this period– the late 1800s and the early 1900s– was this was a time when books written for children as the main audience were largely and often read by adults and appeared on adult bestseller lists. You take a look at the bestseller lists during this period, and you see like Rudyard Kipling, Robert Louis Stevenson, Pollyanna, Rebecca of Sunnybrook Farm, and maybe like War and Peace. But the great authors of the time were writing for children." [1] http://backstoryradio.org/shows/little-feet-2/ http://backstoryradio.org/shows/little-feet-2/