A—strengthening our brand for the future; Sigmund Freud—his oral neoplastic disease and oral, maxillary, and facial surgery; Sylwester Gogolewski; AO in Scotland; Davos Courses 2006—assessment and evaluation; AO Educators’ Seminar for ORP, Davos 2006—a week to remember; AO Principles of Fracture Management; AOSpine Manual; Implant surfaces: Do they have any relevance to the surgeon? Platelet-rich plasma for bone healing—to use or not to use?; Biotechnology in musculoskeletal surgery: outlook and expectations; Pelvic and acetabular fractures—past, present, and future; AO Debate—acute on chronic, unstable slipped capitalfemoral epiphysis