"Motivation Theories, Theorists, and Emotion" profiles theories of motivation and goes into detail pertaining to personal constructs and incentives. Sources of motivation can be both internal or external as the relationship between motivation and behavior is explained by the sequence of motivation. Enjoy a brief description of both theories of emotion and motivation. "Freud, Jung, Adler, Calkins, James" provides brief biographies of each historic individual within the field. In addition to a biography are theoretical positions of each individual providing input into their philosophical identities. "Algebra, Trigonometry, and Statistics" helps in explaining different theorems and formulas within the three branches of mathematics. Use this guide in helping one better understand the properties and rules within algebra, trigonometry, and statistics. "Case Studies" documents personal tragedies over the course of the twentieth century often pertaining to uncontrollable health ailments. At other times, these tragedies may or may not be at the hands of another. In either case, making the transition from healthy to unhealthy can be a difficult endeavor. This can take the form of physical damage to the brain structure, autism, Parkinson disease, spinal injury, multiple sclerosis, Alzheimer disease, or brain death. Read about these individuals' personal tragedies and how they learn to cope in dealing with these health concerns in his or her life. Many may take their health for granted, and many others as described here may have deserved a second chance.