Featuring 31 cases refined into 20 "recipes," this book—supplemented with expert interviews—highlights the rebirth of old houses. The theme of 'Taipei Wisdom' underscores how citizens are creatively transforming spatial limitations, imparting a unique, robust flavor to their homes and the city itself. This book seeks to inspire readers by demonstrating the value of renovation and its role in urban living, encouraging them to participate in the tangible work of old house revitalization.