The bulk of this book was originally published in 1976. Since then, the author-creator-designer-technician has created 116 more mosaic designs which are (gasp) rotationally symmetrical. This woman never ceases to amaze. For those not familiar with mosaic knitting, it is a method of two-color knitting in which you need to deal with only one color per row; you'll need to know only how to knit (sometimes purl) and slip a stitch.