Plymouth Yarn Earthworks by Cornelia Tuttle Hamilton. A collection of designs mostly for women with a couple of men's projects and a girl's cardigan showcasing the subtle but powerful characteristics of natural color and fiber.
You can find more information about the patterns included here on Ravelry.
Plymouth Yarn Earthworks
Author: Cornelia Tuttle Hamilton
Softcover: 59 pages
Publisher: Plymouth Yarn , 2008