Heads up No Limit Hold'em is arguably themost important poker game. The quick action makes it very exciting in its own right but it's also crucial for the final stages of tournament play. This book will gives players the edge. The key themes, which are expounded at length in this book include how to: * navigate the many marginal spots that arise from playing almost every hand * find the optimal bet-sizing in different situations * choose good hands to turn into bluffs * deal effectively with changing stack sizes * avoid falling into predictable, exploitable patterns To be successful at heads up, the poker player must tailor their strategy to exploit the opponent. In this book, we show how to figure out the most profitable strategies, and we build intuition about these strategies to help improve performance where it counts at the table.