The question of decision is one of the main existencialist\npreocupation from Kierkegaard to Sartre\nand French Phenomenology. The Book Decision\nand Existential Turn is searching for new formations\nof identity, which should allow for an asymetrical\nrelation at the very heart of ethics. Some remarks\nabout the existential way of thinking can examine\nand open new philosophical perspectives in concrete\nethics.