Pattern calls for 22 oz. each of two colors of worsted yarn.

Yardage is an estimate, based on yardage and weight of Patons Classic Wool as listed here on Ravelry.

A number of variations are shown in the pamphlet, all using the same pattern but different colors.

From the pattern book:

“Learn as you go. Annie’s unique easy step-by-step method combines pattern, pictures, and “how-to” instructions - answers all your questions as you crochet. Master all 5 basic crochet stitches. By the time you’ve finished the afghan, you’ll know all the basic stitches, be able to read any crochet pattern. Already crochet? This afghan is an easy project to carry with you wherever you go, because it’s made in long strips and connected together later.“