The direct answer to your query is that you are referring to the book by Dr. David Niven.
: Dr. David Niven pulls data from academic journals by sociologists, psychologists, and psychiatrists that are usually inaccessible to the general public. The Simple Secrets for Becoming Healthy, Wealth...
If you are looking to get a copy, several retailers offer it: : Available in paperback for $11.48. The direct answer to your query is that