From the Book’s website
Midi length close-fitting aran dress
Suitable for the more experienced knitter

From the Knit Rowan website:
Knit this ladies fitted midi length aran dress from Storm. A design by Kim Hargreaves using the luxurious yarn Lima (baby alpaca and merino wool), this pattern is suitable for the more experienced knitter.

Finished width dimensions:
43: 45.5: 48: 50.5: 53: 57 cm
17: 18: 19: 20: 21: 22.5 inches

Yarn Information:
Photographed in Andes
17, 18, 18, 19, 19, 20 skeins
1853, 1962, 1962, 2071, 2071, 2180 yards