The EU Artificial Intelligence Act is the first regulation of its kind in the world, creating a new legal regime amid the rapidly evolving landscape of AI. This book provides an article-by-article commentary on the Act, offering a singular, cohesive perspective on its complex provisions. The analysis covers the final legislative text, as well as the relevant implementing acts and emerging soft law, which will provide insight into the Act's practical application and regulatory implications. Each provision is rigorously examined and contextualized within various areas of EU law including product liability regulation, fundamental rights, and data protection, as well as the evolving landscape of AI governance. A key resource for legal practitioners, academics, and policymakers, this commentary delivers a detailed and coherent interpretation of the EU AI Act within its wider legal and technological context.