Anyone know of a crochet pattern that resembles an arch?

a href="http://books.google.com/books?id=_dAK9CuyiQQC&pg=PA127&lpg=PA127&dq=crochet+arch+stitch&source=web&ots=P2XnFls65F&sig=3LrYAzVZYxsRC4UI9yj6mR07huc&hl=en" rel="nofollow"http://books.google.com/books?id=_dAK9Cu…/a