This is a clear and in-depth description of the jhanas, the traditional Theravadan concentration meditation practices, from two authors who have practiced these meditations in retreat with and under the close guidance of one of the great modern masters. Pa Auk Sayadaw is the abbot of Pa Auk Monastery in Burma. He is considered by many to be the leading teacher of the jhanas.The authors describe the techniques and their results, based on their own experience. This helpful book will be appealing to anyone who wants to learn more about this type of meditation. The instructions are thorough and detailed and will help even experienced meditators who have done retreats at one of the many popular Buddhist centers where concentration meditation is taught.