I found this by Emiko Toda Loeb, which is similar to the tutorial above but has no sashing. As far as I can tell, the strip that joins two blocks will require that 1 of the 4 sides by hand sewn to finish.
http://www.emikotloeb.com/about/about.htm
That website has a list of her publications. I am wondering if the directions you are thinking of might be in one of the magazine articles in that list. I still haven't found the book I was thinking of, so I'm not sure she is the quilter I am remember. Could be my memory is misleading me, though......