Richard Layard, Happiness: Lessons from a New Science (New York: Penguin Press, 2005); Daniel Nettle, Happiness: The Science Behind Your Smile (Oxford: Oxford University Press, 2005); Marc Ian Barasch, Field Notes on the Compassionate Life: A Search for the Soul of Kindness (Emmaus, Penn.: Rodale, 2005); Alfie Kohn, Unconditional Parenting: Moving from Rewards and Punishments to Love and Reason (New York: Atria Books, 2005); P. Alex Linley & Stephen Joseph, eds., Positive Psychology in Practice (Hoboken, N.J.: Wiley, 2004).
