From the Book’s website
Long-line fairisle scarf
Suitable for the knitter with a little experience

From the Knit Rowan website:
Knit this accessory long-line fairisle scarf from Storm. A design by Kim Hargreaves using the beautiful yarn Alpaca Cotton (alpaca and cotton), this pattern is suitable for the knitter with a little experience.

Finished dimensions:
Completed scarf measures approximately 18 cm (7 inches) wide and 244 cm (96 inches) long.

Yarn Information:
A - Storm
3 skeins
444 yards

B - Thunder
2 skeins
296 yards

C - Raindrop
1 skein
148 yards