Good LifeA life changing book on happiness from the directors of the longest study of happiness in the world and the subject of one of the top 10 TED talks ever. 'In a crowded field of life advice and even life advice based on scientific research, Schulz and Waldinger stand apart' Angela Duckworth, author of Grit What is the key to a good life? It is a question that preoccupies us all and one that the longest and most successful study of happiness ever
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