Chapter 1 of the book, Reversible Scarves: Curing the Wrong Side Blues uses various yarns, weights, needle sizes and finished dimensions to illustrate how one simple pattern can yield a wide variety of looks.
Simple instructions use each of these yarns to illustrate different styles:
Lorna’s Laces Shepherd Sport
Knit Picks Swish DK
Debbie Bliss Donegal Luxury Tweed
Misti Alpaca Tonos Chunky
Debbie Bliss Como