Dr Marina Larionova, National Research University Higher School of Economics, Moscow, Russia; Professor John J. Kirton, University of Toronto, Canada.

’An invaluable overview of how informal international organizations such as the G8, G20 and BRICS have moved to the center of international politics and global governance over the past few years. The authors bring diverse perspectives to the analysis of the inter-related development of these G-groups, with special attention to their effectiveness, their complementarities and their accountability.’ Duncan Snidal, Nuffield College, Oxford, UK ’This volume provides unique insights into how informal fora like the G8, G20 and BRICS are contributing to global governance. The editors are to be congratulated for this fascinating bouquet of essays on a triple-A set of topics of major interest: architecture, achievements and accountability.’ Jan Wouters, KU Leuven, Belgium

• I: Introduction; 1: Introduction; II: Architecture; 2: Changing Global Governance for a Transformed World; 3: The G7/8 and G20; 4: A World without G20 Summits; 5: Global Risk Governance and G20, G8, and BRICS Capabilities; III: Achievements; 6: Assessing G7/8 and G20 Effectiveness in Global Governance; 7: Working Together for G8–G20 Partnership: The Muskoka-Toronto Twin Summits of 2010; 8: G20; 9: B20–G20 Engagement; IV: Accountability; 10: The Muskoka Accountability Report; 11: G7/8 and G20 Accountability and Civil Society; 12: Mapping G7/8 and G20 Accountability; 13: Advancing G8 and G20 Effectiveness through Improved Accountability Assessment; V: Conclusion; 14: Conclusion

Dr Marina Larionova, National Research University Higher School of Economics, Moscow, Russia; Professor John J. Kirton, University of Toronto, Canada.

’An invaluable overview of how informal international organizations such as the G8, G20 and BRICS have moved to the center of international politics and global governance over the past few years. The authors bring diverse perspectives to the analysis of the inter-related development of these G-groups, with special attention to their effectiveness, their complementarities and their accountability.’ Duncan Snidal, Nuffield College, Oxford, UK ’This volume provides unique insights into how informal fora like the G8, G20 and BRICS are contributing to global governance. The editors are to be congratulated for this fascinating bouquet of essays on a triple-A set of topics of major interest: architecture, achievements and accountability.’ Jan Wouters, KU Leuven, Belgium

• I: Introduction; 1: Introduction; II: Architecture; 2: Changing Global Governance for a Transformed World; 3: The G7/8 and G20; 4: A World without G20 Summits; 5: Global Risk Governance and G20, G8, and BRICS Capabilities; III: Achievements; 6: Assessing G7/8 and G20 Effectiveness in Global Governance; 7: Working Together for G8–G20 Partnership: The Muskoka-Toronto Twin Summits of 2010; 8: G20; 9: B20–G20 Engagement; IV: Accountability; 10: The Muskoka Accountability Report; 11: G7/8 and G20 Accountability and Civil Society; 12: Mapping G7/8 and G20 Accountability; 13: Advancing G8 and G20 Effectiveness through Improved Accountability Assessment; V: Conclusion; 14: Conclusion

Dr Marina Larionova, National Research University Higher School of Economics, Moscow, Russia; Professor John J. Kirton, University of Toronto, Canada.

’An invaluable overview of how informal international organizations such as the G8, G20 and BRICS have moved to the center of international politics and global governance over the past few years. The authors bring diverse perspectives to the analysis of the inter-related development of these G-groups, with special attention to their effectiveness, their complementarities and their accountability.’ Duncan Snidal, Nuffield College, Oxford, UK ’This volume provides unique insights into how informal fora like the G8, G20 and BRICS are contributing to global governance. The editors are to be congratulated for this fascinating bouquet of essays on a triple-A set of topics of major interest: architecture, achievements and accountability.’ Jan Wouters, KU Leuven, Belgium

• I: Introduction; 1: Introduction; II: Architecture; 2: Changing Global Governance for a Transformed World; 3: The G7/8 and G20; 4: A World without G20 Summits; 5: Global Risk Governance and G20, G8, and BRICS Capabilities; III: Achievements; 6: Assessing G7/8 and G20 Effectiveness in Global Governance; 7: Working Together for G8–G20 Partnership: The Muskoka-Toronto Twin Summits of 2010; 8: G20; 9: B20–G20 Engagement; IV: Accountability; 10: The Muskoka Accountability Report; 11: G7/8 and G20 Accountability and Civil Society; 12: Mapping G7/8 and G20 Accountability; 13: Advancing G8 and G20 Effectiveness through Improved Accountability Assessment; V: Conclusion; 14: Conclusion