For nearly two decades, the Nanzan Guide to Japanese Religions has served as a valuable resource for students and scholars of religion in Japan. This exciting update expands the audience to include non-specialists of Japan while also complicating the notions of “Japan” and “religion.” Asking the provocative question “why study Japanese religions?” the editors argue that studying Japan is vital for the academic study of religion writ large and make a case for the continued importance of religious topics in Japan studies, broadly conceived.