When Peet sent Dodie Smith some drawings of the characters, she wrote back saying that he had actually improved her story and that the designs looked better than the illustrations in the book.
Saat Peet mengirimi Dodie Smith beberapa gambar dari karakter, dia membalasnya dengan mengatakan kalau dia sebenarnya telah memperbaiki ceritanya dan kalau desainnya tampak lebih bagus daripada ilustrasi yang ada di buku.