"Polyface Designs: A Comprehensive Construction Guide for Scalable Farming Infrastructure" by Chris Slattery and Joel Salatin is a detailed book published by Chelsea Green Publishing in 2021. This trade paperback features illustrations and covers a variety of topics related to technology, engineering, architecture, and agriculture. With 568 pages, this guide provides insights on how to design and construct sustainable farming infrastructure, making it a valuable resource for those interested in scalable farming systems. Signed by author.