The Simple Secrets for Becoming Healthy, Wealthy, and Wise: What Scientists Have Learned and How You Can Use It (100 Simple Secrets)
David Niven, Ph.D., bestselling author of the 100 Simple Secrets series, is a psychologist and social scientist who teaches at Ohio State University.David Niven, Ph.D., es el autor de los bestsellers internacionalesLos 100 Secretos de la Gente Exitosa, yLos 100 Secretos de las Buenas Relaciones. Es psic&#243;logo y cient&#237;fico social, y ense&#241;a en la Florida Atlantic University.