by. It’s a symbolic door in the wall of a small boy’s affliction, and the background is medieval England. A strange, unknown disease — only too familiar to us now — paralyzed young Robin de Bureford’s legs and he could never hope to become a knight like his father. He learned to be a great many other things, however. The life of the times is faithfully and interestingly drawn, the people are real, and the illustrations lovely. As for the plot, we read it with breathless interest.