This ribbed cardigan is worked from the left sleeve to right sleeve in one piece then it is folded in half and the side and sleeves are seamed. It works up fairly quickly. Each size is written separately to make it simple.

Materials
Weight 3 / DK yarn I used Ribston dk (97% Acrylic 3% Viscose) 300m per 100g
4 and 5mm crochet hooks
3-6 15-20mm buttons
Stitch markers
Scissors
Needle

Written in English US terms with abbreviations for UK

Gauge
With a 4mm crochet hook
In blo 20 hdc X 11 rows = 4”

The PDF is 26 pages with plenty of photos and a video for sewing.