Peter Pan is really quite a clever play and book (Barrie wrote several versions). The originals work on many levels. Barrie wasn’t a bad writer.
Of course, we don’t know which “Peter Pan” he means, as there have been quite a few derivative kids books.
http://www.gutenberg.org/ebooks/26654
http://www.gutenberg.org/files/16/16-h/16-h.htm
Of course they can all be dismissed as juvenile silliness, but still, one can be excused. One of my favorites is Rostands play “Cyrano de Bergerac”, another clever bit of theatrical fluff.
http://www.gutenberg.org/ebooks/1254
I’m too lazy to get all scholarly. I believe if he had gotten to “The Little Prince”, that would have been first on his list.
I’m looking at this title in the middle of a list of “political” titles and saying hmmm. Reason? Depth psychology.
For reference, this book by Marie Louise Von Franz.
Puer Aeternus: A Psychological Study of the Adult Struggle with the Paradise of Childhood / The Problem of the Puer Aeternus