By John E. Upledger (Author), Jon D. Vredevoogd (Author). Craniosacral Therapy II: Beyond the Dura marks yet another step in understanding the craniosacral system and its significance in the clinic. Building on concepts set forth in his pioneering work Cranioscacral Therapy, Dr. Upledger further explores the anatomical and physiological bases and clinical implications of several important aspects of the craniosacral system.