The most useful book you will ever own. Built around the Hubbard Chart of Human Evaluation, Science of Survival provides the first accurate prediction of human behavior. Included on the chart are all the manifestations of an individual's survival potential graduated from highest to lowest, making this the complete book on the Tone Scale. Knowing only one or two characteristics of a person and using this chart, you can plot his or her position on the Tone Scale and thereby know the rest, obtaining an accurate index of their entire personality, conduct and character.
L.Ron Hubbard
L. Ron Hubbard was an American author and founder of Scientology. His most famous work is the science fiction novel "Dianetics: The Modern Science of Mental Health." Hubbard's writing style is characterized by a blend of science fiction and philosophy, and his contributions to literature include the creation of a new religious movement.