This 286-page book is where you build the foundation. We’ll guide you through grid architecture, candidate notation, and the core techniques that solve the majority of puzzles: Naked & Hidden Singles, Locked Candidates, Naked Pairs, Triples, and Quads.

This book, containing 280 pages, teaches you to see the grid in a new way by mastering X-Wings, Swordfish, Jellyfish, Skyscrapers, Two-String Kites, Y-Wings, and more.

This book, containing 330 pages, teaches you to follow the logic of cause and effect with Simple Coloring, XY-Chains, Almost Locked Sets, AICs, and other grandmaster tools.

This book, containing 212 pages, teaches you to master the unwritten rules of uniqueness, which are advanced solving strategies that rely on unique solutions (Deadly Patterns, BUG+1), and the ultimate expert strategies like Forcing Chains and Bowman’s Bingo.