A complete practitioner's treatment of American gaming and gambling law for operators, suppliers, tribes, licensees, and consumer brands running promotions. Parts I and II establish the analytical framework of prize, chance, and consideration and the federal statutes that police wires, payments, devices, and unlicensed operators, including the Wire Act after New Hampshire Lottery Commission v. Rosen and PASPA after Murphy v. NCAA. Parts III through VI cover state authorization structures, the licensing and suitability process that governs entry, sports wagering operations from house rules through integrity monitoring, and iGaming and online lottery. Part VII covers tribal gaming under IGRA, compacts, and the hub-and-spoke mobile model. Parts VIII through X cover pari-mutuel racing, charitable and social gaming, and the skill-versus-chance frontier including daily fantasy sports, prediction markets, sweepstakes casinos, skill games, and loot boxes. Part XI is a full treatment of sweepstakes and contest law for consumer promotions. Parts XII through XVII cover anti-money-laundering obligations, responsible gaming and advertising, payments and banking, taxation, technology and vendor licensing, and change of control. Part XVIII covers enforcement and Part XIX is the verification list.