Multiple gauges given. Suggested yarns are Paton’s Classic Wool, Jaggerspun 2/8, Lion Wool, Ashford Tekapo, Brown Sheep. Halcyon Botanica. The yarn must be 100% wool and not have been treated with Superwash(TM) or any similar anti-felting treatment. Adult clogs, Carpet Slippers, Mary Janes and ballet flats take about 8 ounces of yarn. Booties take about 1 ounce. Single and double bed patterns are included. Versions for standard, mid-gauge and bulky are included. There are notes on making adjustments for unusual sizes. Most of the shoes are felted to get the perfect fit but the carpet slippers are a cut and sew project. Instructions for creating outdoor soles are included. The last photo shows an infected shoe next to the foot that it eventually fits.