Not a very large one, about the size of two paperback books, but better than no window at all.
I looked on the internet for the average life of a paperback book while writing this.
The new guide is about the size of a paperback book.
Then in the early 1950s the magazine market began to die and paperback books took over.
The result looks more like a thick paperback book than a magazine.
He spoke into something not much bigger than a paperback book.
I still have that paperback book, now almost thirty years old.
He put a paperback book on the corner of the desk.
The man across the aisle looks up from his paperback book.
There was only a thick paperback book on the glass table.