The Science of Optimism and Hope: Research Essays in Honor of Martin E.P. Seligman

제목: The Science of Optimism and Hope: Research Essays in Honor of Martin E.P. Seligman 저자:  Jane E. Gillham Templeton Foundation Pr (November 2000)   https://www.amazon.com/Science-Optimism-Hope-Research-P/dp/1890151262/ref=sr_1_1?s=books&ie=UTF8&qid=1535377554&sr=1-1&keywords=gillham+the+science+of+optimism+and+hope   

Happiness: The Nature and Nurture of Joy and Contentment

제목: Happiness: The Nature and Nurture of Joy and Contentment 저자: David Lykken Golden Guides from St. Martin’s Press; 1st edition (June 7, 2000)   https://www.amazon.com/Happiness-Nature-Nurture-Joy-Contentment/dp/0312263333/ref=sr_1_1?s=books&ie=UTF8&qid=1535267821&sr=1-1&keywords=lykken+happiness%3A+the+nature+and+nurture+of+joy+and+contentment   

Exploring Adolescent Happiness: Commitment, Purpose, and Fulfillment

제목: Exploring Adolescent Happiness: Commitment, Purpose, and Fulfillment 저자: Zipora Magen SAGE Publications, Inc; 1 edition (June 30, 1998)   https://www.amazon.com/Exploring-Adolescent-Happiness-Commitment-Fulfillment/dp/0761907319/ref=sr_1_fkmr0_1?s=books&ie=UTF8&qid=1535267683&sr=1-1-fkmr0&keywords=modem+exploring+adolescent+happiness   

The Pursuit of Happiness: Discovering the Pathway to Fulfillment, Well-Being, and Enduring Personal Joy

제목: The Pursuit of Happiness: Discovering the Pathway to Fulfillment, Well-Being, and Enduring Personal Joy 저자: David G. Myers William Morrow Paperbacks; Reprint edition (June 1, 1993)   https://www.amazon.com/Pursuit-Happiness-Discovering-Fulfillment-Well-Being/dp/0380715228/ref=sr_1_1?s=books&ie=UTF8&qid=1535267546&sr=1-1&keywords=myers+the+pursuit+of+happiness