Showcasing cutting-edge research in a dynamic area, this authoritative volume explores how people navigate psychological experiences that are fundamentally about the nature of existence. In 65 compelling chapters, preeminent editors and contributors describe the field's conceptual foundations, methods, and contemporary findings. The Handbook is focused on issues of "being and becoming" in mental and social life, including: time, aging, and death; freedom, authenticity, and moral responsibility; isolation, uncertainty, and shared reality; culture, the self, and identity; the quest for meaning and purpose; religion and spirituality; and awe, personal growth, and what comprises the "good life."