The Skeleton -- Disorders of Bone -- Bisphosphonates -- Osteoporotic Syndrome -- Glucocorticoid Induced Osteoporosis -- Tumor and Chemotherapy Induced Osteoporosis -- Transplantation Osteoporosis -- Immobilisation Osteoporosis -- Pregnancy Associated Osteoporosis -- Osteogenesis Imperfecta (OI) -- AIDS Osteopathy -- Renal Osteopathy -- Paget's Disease of Bone -- Complex Regional Pain Syndrome (CRPS) -- Transient Osteoporosis and the Bone Marrow Edema Syndrome (BMES) -- Vanishing Bone Disease (Gorham-Stout Syndrome) -- Fibrous Dysplasia -- SAPHO Syndrome -- Heterotopic Calcification and Ossification -- Periprosthetic Osteolysis and Aseptic Loosening of Prostheses in Total Joint Arthroplasty -- Alveolar Bone Loss due to Periodontitis -- Hypercalcemia -- Bone Pain -- Multiple Myeloma -- Bone Metastases -- Skeletal Metastases of Breast Cancer -- Other Carcinomas with Osteotropic Metastases -- Bisphosphonates from A-Z -- Summary and Perspectives -- Literature Survey