Can be made with matching hat (listed as a separate pattern in the same book).

From the description in the book:

• Knit in one piece from the top down.
• The color combination patterns of the yoke, wrists, and lower band are knit with slip stitches.
• This sweater is worked from the top down.
• Do not end yarn after each color change, carry yarn up sides.
• When only one set of numbers is given, it applies to all sizes.

Supplies needed:

• three stitch holders
• Six 1/2” (1.3 cm) buttons
• Tapestry needles