Principles of Financial Regulation is undoubtedly one of the most accomplished works on financial regulation in at least the last 10 years. This is hardly surprising, given that it was authored by several of the most prominent academics in the field: John Armour, Dan Awrey, Paul Davies, Luca Enriques, Jeffrey N. Gordon, Colin Mayer, and Jennifer Payne. Since its publication in 2016, it has become an essential and indispensable reference for students, academics, and professionals worldwide seeking a holistic and functional understanding of financial regulation.