Don't you know a sand-fairy when you see one?
I dare say you have often thought about what you would do if you were granted three wishes. The five children—Cyril, Anthea, Robert, Jane, and their baby brother—had often talked about it but when they are faced with the grumpy sand-fairy they find it difficult to make up their minds. And that is just the beginning of their dilemmas. As they discover, there is nothing quite like a wish for getting you into terrible trouble.