"Happiness by Design" by Paul Dolan is an insightful exploration of how to create a fulfilling and joyful life by consciously designing our experiences and environment. Dolan, a renowned behavioral scientist, presents a fresh perspective on happiness, arguing that it comes from a balance of both pleasure and purpose. Through a combination of research, practical advice, and real-life examples, Dolan demonstrates how small changes in our behavior and surroundings can significantly enhance our well-being. "Happiness by Design" offers readers actionable strategies to reshape their lives, prioritize what truly matters, and achieve lasting happiness.