Hardcover books are fairly expensive these days and to read one requires a significant commitment of time in our busy society. So I want to make sure that when readers buy one of my books they get something they're familiar with.
Let us never forget this: since the day of the air, the old frontiers are gone. When you think of the defense of England you no longer think of the chalk cliffs of Dover; you think of the Rhine. That is where our frontier lies.