Book excerpt: This book offers a comprehensive comparative guide to constitutional amendment in Europe and North America. The contributions to the book are written by experts in comparative constitutional law and looks at a particular country providing a critical analysis of its constitutional revision principles, procedure, practice and developments. The volume includes a final chapter with a comparative analysis on constitutional amendment elaborating on and attempting to develop an explanatory theory regarding the points of convergence as well as the detected differentiations. Thus allowing the comparative elements interesting at an international level to emerge and be assessed.