This practical guide for building birdhouses contains plans for more than 50 attractive and useful structures, from a one-room house for bluebirds to a 42-room structure for purple martins. In addition to instructions and diagrams for constructing houses for such avian varieties as robins, wrens and chickadees, the easy-to-follow text provides suggestions for feeding devices, birdhouse materials, methods of finishing exteriors, and winter care for birds.