If you wish to have a belt (which is optional) use the 11 hook to make a chain measuring 60 inches, or required length.

Measurements
To fit
34, 37, 40, 43 inch bust
35/36, 38/39, 41/42, 44/45 inch hips
Garment measures
37, 40, 43, 46 inches at bust and hip
Length to shoulder
34, 34, 35½, 35½ inches.

Each pamphlet has a different set of recommended yarns. The following are from the Falcon pattern.

Materials
Falcon 4 Ply
22, 23, 25, 26 balls of any Falcon 4ply.
Falcon 4ply yarns on Ravelry:
Bedale Four Ply
Budget Knits as 4Ply
Peregrine 4ply
Superior 4ply
Superwash 4ply.