"It happened because one day I was sitting one side of the fireplace, and my wife was sitting on the other, and I suddenly said to her, "Wouldn’t it be a good idea to write a story about some boys on an island, showing how they would really behave, being boys and not little saints as they usually are in children’s books.” And she said, "That’s a first-class idea! You write it!" So I went ahead and wrote it."