This is a knitting pattern book. The pattern makes the following sizes: Girl's USA
5/6 (X-Small)
7/8 (Small)
9/10 (Medium)
11/12 (Large)
13/14 (X-Large)
15/16 (2X-Large). The instructions are detailed (no graph), color coded, easy to follow, and in large print. This gorgeous dress whips up in no time because it requires the use of #9 knitting needles and worsted yarn.