The Magic Loop by Sarah Hauschka
The Magic Loop booklet...
Discover Sarah Hauschka's Magical Unvention. Learn to knit Socks and a whole lot more on just 1 long circular needle. 20 page booklet includes step by step instructions, with photos, for learning the Magic Loop method and patterns for Ribbed & Ruffled Wristlets, Winter Socks, Toe-up Baby Socks, etc