Watkin provides a contextual introduction to Kierkegaard's 19th century world of Copenhagen, a chronology of events and key figures in his life, as well as definitions of the key systems of his thought_theology, existentialism, literature, and psychology. The extensive bibliographical section covers secondary literature and electronic materials of help to researchers. The appendix includes detailed information on his writings, along with a list of his pseudonyms. This book is useful not only as a guide for experienced scholars, but also as an introduction to new students of Kierkegaard's Philosophy.