Every one?

I picked up a couple bargains at Half Price Books the other day.  Among them was a 1971 crewel and embroidery manual which included the following claim on the back cover:



It amuses me.  Clearly, this is not only the greatest, but the only embroidery book ever produced, ever.

It almost makes me want to try to find the one stitch they didn't include.  But it is very comprehensive!