I can recommend you a book on western religions. The book was called A Short History of Western Philosophy by the British philosopher Bertrand Russell. A Short History of Western Religion was a popular book. It covered the history, doctrines, rituals, and traditions of Western religions and introduced the concepts and characteristics of various religions in a concise manner. This book is suitable for readers who are interested in Western religion. It can help them better understand the existence and influence of religion in Western culture.