You can buy the book that contains this pattern here for £6.50.

Finished measurements
Leg length (cuff to heel): 24cm/ 9.5in
Foot length: 23cm/ 9in or adjustable. Pattern gives length for second size but instructions are given on how to adjust foot length for other listed sizes.

Needles & accessories
A set 2.5mm (US 1-2/UK 13-12) double pointed needles
Stitch marker
Tapestry needle

Yarn
1 x 100g ball in Delphinium (805)