Existentialism: Disintegration of Man's Soul is a philosophical treatise written by Guido De Ruggiero that explores the nature of human existence and the disintegration of the human soul in modern society. The book delves into the philosophical movement of existentialism, which emphasizes individual freedom and choice, and argues that the modern world has led to the fragmentation and disintegration of the human soul. De Ruggiero examines the works...