Spark Brilliance: How the Science of Positive Psychology Will Ignite, Engage, and Transform YEbookSpark Brilliance: How the Science of Positive Psychology Will Ignite, Engage, and Transform YbyJackie InsingerRating: 0 out of 5 stars0 ratingsSave Spark Brilliance: How the Science of Positive Psychology Will Ignite, Engage, and Transform Y for later