Best-selling author Sheri Koones presents the hottest trend in the housing market. The 25 small houses presented in Downsize are owned by people who have made a conscious decision to downsize from a larger home to a smaller home--or who just decided to build small in the first place. Some of the houses are new (site-built or prefab), others are remodels. All are 2,000 sq. ft. or less. The featured houses show how...