Jiffy Mittens by Rose Wilson Anderson, old knitting booklet containing Ten Original Patterns Designed for Knitting Worsted. These fantastic mittens are knit in 2 different colors of worsted weight yarn (stranded color knitting). There are 10 different Fair Isle designs in adult sizes knit with 4 double pointed needles. This booklet is 10 3/4 by 8 1/4 inches with 15 pages. It is complete and sturdy with some wear and bent corners.