"Voting Power and Procedures" is a collection of essays dedicated to the renowned scholars Dan Felsenthal and Moshé Machover. This academic book examines fundamental aspects of measuring voting power, particularly in the context of two-tier systems such as the American and European systems. The authors analyze significant power indices, including Penrose, Banzhaf, and Shapley-Shubik, and offer new perspectives on existing voting procedures. Additionally, both technical and historical aspects of well-known procedures and allocation methods are discussed, contributing to a comprehensive understanding of the topic. The contributions in this book are of interest to both professionals and students who wish to engage with the complex mechanisms of voting power and the associated procedures.