From the Knit Rowan website:
Knit this womens edge to edge, fairisle and intarsia cardigan from Rowan Knitting and Crochet Magazine 56, a design by Lisa Richardson using a stunning combination of Frost (Alpaca and Viscose) and Felted Tweed Aran (Wool and Alpaca). With set-in sleeves and tartan pattern body, this knitting pattern is for the experienced knitter.

Finished chest width dimensions:
51: 56: 62.5: 67.5: 75.5 cm
20: 22: 24½: 26½: 29½ inches

Yarn Information:
Felted Tweed Aran
A - Mahogany 734
7, 8, 9, 10, 11 skeins
665, 760, 855, 950, 1045 yards

B - Pebble 720
5, 5, 6, 6, 7 skeins
475, 475, 570, 570, 665 yards

Frost
C - Bothy 098
7, 8, 9, 9, 10 skeins
574, 656, 738, 738, 820 yards