The book "Existentialism" by Thomas Flynn offers a concise and vivid introduction to the history and central themes of existentialism. It addresses the development of this philosophical movement from its beginnings to the classic formulations in France and their current relevance. The introduction highlights the views of significant thinkers such as Søren Kierkegaard, Friedrich Nietzsche, Jean-Paul Sartre, and Simone de Beauvoir, presenting their contributions to existentialist thought. This accessible guide to the core motifs of existentialism is aimed at students and interested individuals from all disciplines and provides a valuable overview of the philosophical discourses of recent decades.