Keep Calm and Solve Sudoku Variants

Each title in this book series has more than 25 types of Sudoku variants and their combinations to give your brain a real workout.

Sudoku variants in these books: Classic Sudoku, Chess Variants – Anti-Knight and Anti-King Sudoku, Math Variants – Consecutive, Non-Consecutive, Sandwich, Inequality, Even-Odd, Rossini, Killer, Little Killer, Little Unique Killer, Kropki, Vudoku, Sudoku XV, and Frame Sudoku, Pattern Variants – Diagonal, Anti-Diagonal, Asterisk, Girandola, Center Dot, and Hypersudoku, Grid Variants – Chain Sudoku, Sujiken, Tridoku, Hoshi, Jigsaw Sudoku, and Outside Sudoku

Instructions for each puzzle are given on its page, and helpful tips, strategies, cheatsheets, and solutions are also included in the books.

Follow the links to learn more!