About the Authors List of Figures Glossary Foreword Preface Introduction D1 Discover D2 Design D3 Deliver D4 Double-Back D5 Double-Up Conclusion Appendix 1: Mapping 50 Implementation Methodologies Appendix 2: Key Areas of Divergence Across 50 Implementation Models Appendix 3: 23 (Relatively) Common Implementation Activities Appendix 4: Systematic Reviews and Meta-analysis of Implementation