The hood is worked from the forehead down in one piece using short rows to avoid the dreaded pointy head look.
The scarf is knit up one side, splits to either side of the hood, and then rejoins to knit down the other side.

Correction to the pattern: Page 86-87 Hood Correction: Rep Rows 3 and 4 nineteen more times, then work Row 3 once more—108 sts total.