From the Knit Rowan website:
Knit this womens textured dress from Rowan Knitting & Crochet Magazine 55, a mosiac design by Grace Melville using the beautiful yarn combination of Summerspun and Cotton Glace (cotton). With a wide ballet neck and elbow sleeves, this knitting pattern is for the intermediate knitter.

Finished width dimensions:
43.5: 48: 53.5: 59.5: 67 cm
17: 19: 21: 23.5: 26.5 inches

Yarn Information:
Summerspun
A - Bayswater 120
8, 9, 10, 11, 12 skeins
1048, 1179, 1310, 1441, 1572 yards

Cotton Glace
B - Dawn Grey 831
6, 7, 7, 8, 8 skeins
750, 875, 875, 1000, 1000 yards