A pillar-box. A quite ordinary-looking pillar-box. Or was it? That was what Robin was to find out. And without this ordinary — or extraordinary pillar-box there could have been no story — no funny, fantastic adventures with Mr. Papingay, and the Home-made fairy, and Penny and all the rest of them.
Marion St. John Webb’s The Little Round House was originally published in 1924 in the UK; the illustrated version above came out in 1956. The book was the first of an extremely popular series of children’s stories.