Even as oversized McMansions continue to elbow their way into tiny lots nationwide, a much different trend has taken shape. This return to traditional architectural principles venerates qualities that once were taken for granted in home design: structural common sense, aesthetics of form, appropriateness to a neighborhood, and even sustainability. Marianne Cusato, creator of the award-winning Katrina Cottages, has authored and illustrated this definitive guide to what makes houses look and feel right—to the eye and to the soul. She teaches us the language and grammar of classical architecture, revealing how balance, harmony, and detail all contribute to creating a home that will be loved rather than tolerated. And she takes us through the do’s and don’ts of every element of home design, from dormers to doorways to columns. Integral to the book are its hundreds of elegant line drawings—clearly rendering the varieties of lintels and cornices, arches and eaves, and displaying “avoid” and...