Hand stitches are crucial in good finishing. When sewn properly, they are as strong as machine-sewn stitches, and you can do them almost as quickly. But many people avoid them and try to always use machines.
Kenneth D. King shows you the stitches used most often in his work. They aren't all of the hand-sewing stitches used in couture sewing, but they are the most useful to a broad audience: the catchstitch, the blanket stitch, the pickstitch, the slipstitch, and the fell stitch.
From Threads #135