So Simple Crochet uses US crochet terminology.
Simple Stylish Crochet uses UK crochet terminology.

Notions: Zipper

From the US book: Worked primarily in single crochet, this waist-length jacket is very simple to make. The exquisitely shaded colors in the pure wool adds textural interest to an otherwise simple stitch pattern.

Instructions are given for six sizes:

• Bust: 32 in (81 cm); Actual width: 36.5 in (92.5 cm); Actual length: 19 in (48.5 cm); Actual sleeve: 18 in (46 cm).

• Bust: 34 in (86 cm); Actual width: 38 in (97 cm); Actual length: 19.5 in (50 cm); Actual sleeve: 18.5 in (47 cm).

• Bust: 36 in (91 cm); Actual width: 40 in (101.5 cm); Actual length: 20 in (51 cm); Actual sleeve: 18.5 in (47 cm).

• Bust: 38 in (97 cm); Actual width: 41.75 in (106 cm); Actual length: 20.5 in (52 cm); Actual sleeve: 18.5 in (47 cm).

• Bust: 40 in (102 cm); Actual width: 43.5 in (110.5 cm); Actual length: 21.25 in (54 cm); Actual sleeve: 19 in (48 cm).

• Bust: 42 in (107 cm); Actual width: 45.25 in (115 cm); Actual length: 21.5 in (54.5 cm); Actual sleeve: 19 in (48 cm).

The pattern begins on page 42.