Tutorial Paper -- Can Process-Based and Product-Based Approaches to Software Safety Certification be Reconciled? -- Themes Reprised from SSS ?07 -- Making Safe Software Secure -- Safety Process Improvement with POSE and Alloy -- How to Select a Programming Language Subset to Maximise Software Quality -- The Safety Case -- Safety Case Development How can I continue the work? -- Safety Case Experiences from Harrier -- Safety Culture -- Investigation to Establish Whether Cultural Analysis can be used to Improve the Interactions Between Design, Safety and Operations Departments -- Human Performance Improvement-Reducing Significant Events in Nuclear Power -- Human Factors -- A Human Factors Perspective on Safety Management Systems -- Human Factors Safety Assurance for Changing ATM Systems -- Achieving and Improving System Safety -- Practical Ways of Improving Product Safety in Industry -- Prototyping versus Formal Development -- Systems Approach to Unmanned Air Vehicle Development and Certification -- Safety and Risk Analysis -- Safety Analysis: Thoughts on Methods and Experience -- Simplifying the Creation and Use of the Risk Matrix.