Positivity: Top-notch Research Reveals the 3 to 1 Ratio That Will Change Your Life - 5704

231 pages which describe facts about positivity, common forms of positivity, describes how to build positivity and provides tools for chasing away the blues.
ASIN: 1606711180
VSKU: PKV.1606711180.G
Condition: Good
Author/Artist:Barbara L. Fredrickson, Ph.D.
Binding: Hardcover