Rollo May defines power as the ability to cause or prevent change; innocence, on the other hand, is the conscious divesting of one's power to make it seem a virtue, a form of powerlessness that Dr. May sees as particularly American in nature. From these basic concepts he suggests a new ethic that sees power as the basis for both human goodness and evil.

The popular psychoanalyst examines the continuing tension in our lives between the possibilities that freedom offers and the various limitations imposed upon us by our particular fate or destiny.

First published in 1980, Existential Psychotherapy is widely considered to be the foundational text in its field—the first to offer a methodology for helping patients to develop more adaptive responses to life’s core existential dilemmas. In this seminal work, American psychiatrist Irvin Yalom finds the essence of existential psychotherapy and gives it a coherent structure, synthesizing its historical background, core tenets, and usefulness to the practice.

"Toward a Psychology of Being" by Abraham Maslow, published in 1962, is a seminal work in humanistic psychology. Building on his hierarchy of needs, Maslow explores the concept of self-actualization as the pinnacle of psychological development. The book shifts focus from pathology to positive aspects of human experience, emphasizing what enables individuals to thrive.

First published in Portuguese in 1968, Pedagogy of the Oppressed was translated and published in English in 1970. Paulo Freire's work has helped to empower countless people throughout the world and has taken on special urgency in the United States and Western Europe, where the creation of a permanent underclass among the underprivileged and minorities in cities and urban centers is ongoing. This 50th anniversary edition includes an updated introduction by Donaldo Macedo, a new afterword by Ira Shor, and many inspirational interviews.