Written in English, it is intended for young adults and adults and belongs to the religious and spiritual genre. 

The book comes with a dust jacket and is in excellent condition. Written by an English theologian, Enthusiasm explores the history and nature of religious enthusiasm. It is a thought-provoking read for those interested in theology and the human experience of faith. If you're looking for a rare and insightful addition to your collection, Enthusiasm by R. A. Knox is an excellent choice.