Dogen: Japan’s Original Zen Teacher. By Steven Heine. Boulder, CO: Shambhala Publications, 2021. xxiii + 333 pages. $29.95 (paperback). ISBN 9781611809800. Steven Heine, full professor at Florida International University and editor of Japan Studies Review, is the author, editor, or co-editor of nearly three dozen books, nearly a dozen of which are about the thirteenth- century Japanese Zen monk and…