(Musicians Institute Press). This pack harp harmonics and natural harmonics; combining harmonics with hammers and pulls; using harmonics over chord progressions; and more. The CD includes 30 full-demo examples.
If you are a lifelong student of music and the guitar as I am then this book is something you must possess and read and practice with diligently. The way harmonics are explained is absolutely beautiful and all the playing examples are easy to alter to make your own.