Taken from Debbie Bliss Spring/Summer 2012: "Worked in one piece, the cardi crosses at the front and fastened at the sides with buttons at the lower edge."
This pattern is from Debbie Bliss Spring/Summer 2012, pg 78 - Crossover Cardigan.
Size US 2-16" circular knitting needles, size US 2-24" circular needles, size US 2 straight needles, (or sizes needed to obtain gauge), stitch markers and two buttons are required but not included.