From the Book’s website
Classic blazer with back vent
Suitable for the knitter with a little experience

From the Knit Rowan website:
Knit this ladies neat tailored blazer with back vent from Storm. A design by Kim Hargreaves using our popular yarn Big Wool (wool), this pattern is suitable for the knitter with a little experience.

Finished width dimensions:
45.5: 48: 50.5: 53: 55.5: 59.5 cm
18: 19: 20: 21: 22: 23.5 inches

Yarn Information:
Photographed in Glum
9, 9, 10, 10, 11, 12 skeins
783, 783, 870, 870, 957, 1044 yards

Extras:
QTY (2) large buttons
QTY (4) small buttons