By Dagmar Ebling. 5.5"x 8.5", 765 pages, paperback. This book makes the practice of loose herbs easily accessible to Chinese medical practitioners and students. Over 400 single herbs are described. For practitioners who rely on patent herbal formulas, but would like to custom-tailor formulas to each patient's unique needs, this book demystifies the process, with instructions and exhaustive cross-referencing and indexing.