Cob (an old English word for lump) is a building material as old as humanity made out of a mixture of clay, sand, and straw. The Cob Builders Handbook is a friendly guide to making your own earth structure, with chapters on design, foundations, floors, windows and doors, finishes, and of course, making glorious cob. Whether you’re just wanting to learn more about cob building or are ready to dive right in, this will be your go-to guide!