“Religions of the World: Religion in the Twenty-First Century” is a trade paperback textbook published by Prentice Hall PTR in 1998. Written by Ninian Smart and Mary Pat Fisher, the book is part of the Religions of the World Series and covers various religions in a general subject area. With 128 pages, this English language textbook provides insight into the diverse religious beliefs and practices of people in the modern world, making it a valuable resource for students and educators interested in studying religion in the 21st century.