The studio acclaimed for its visionary transformation of Mexico City’s best-known neighborhoods, or colonias.This is a richly layered exploration of one of Mexico City’s most respected architectural practices, known for its refined designs, adaptive reuse projects, and deep commitment to heritage and sustainability.This volume presents standout projects from the past decade—spanning residential to institutional buildings—offering a vivid look at the firm’s philosophy on urban renewal and historic preservation.Mexico City is not merely a backdrop but a central character in this narrative. From its lively neighborhoods to its historic corridors, the city’s cultural richness infuses every page. Organized by region—North, West, East, and South—the book provides an engaging tour of the capital, with special attention to Roma and Condesa, where many of JSa’s most influential works reside. The packaging features a special touch: a beautifully printed city map on the inside of the jacket, adding both character and value to the edition.The story is enriched by leading Mexican cultural voices: Reygadas reflects on the origins of Colonia Roma; Mallet traces the development of Condesa; Olvera explores how Mexican traditions shape contemporary dining spaces; and Anaya reveals the layered history of the city center. Additional essays examine neighborhoods, housing, and JSa’s acclaimed Museo Morelense de Arte Contemporáneo Juan Soriano.Together, these perspectives form a comprehensive portrait of JSa’s work and its lasting influence on Mexico City’s architectural identity—an inspiring testament to how thoughtful design can honor the past while shaping the future.