"Tsuboniwa: The Japanese Courtyard Garden" is a beautifully illustrated hardcover book by author Mizuno Katsuhiko, published in 1991 by Kyoto Shoin. The book features 110 pages filled with insights on Japanese gardening techniques, focusing on the intricate design and maintainance of courtyard gardens. With a strong emphasis on the cultural significance of these gardens, the book is a valuable resource for anyone interested in regional and general gardening topics. Perfect for those seeking to explore the art and aesthetics of traditional Japanese garden design.