Sheri Koones’ latest book is Prefabulous Small Houses which profiles 32 of the most energy efficient and sustainable small houses in North America. Her previous books include Prefabulous World: Energy-Efficient and Sustainable Homes Around the Globe, Prefabulous + Almost Off the Grid, Prefabulous + Sustainable, Prefabulous, House About It, Modular Mansions, and From Sand Castles to Dream Houses. She won the prestigious Robert Bruss Real Estate Book Award from NAREE in 2008, 2011, and 2013. Sheri is also a columnist, freelance writer and speaker. Her web site www.sherikoones.com