8x8 Sudoku: 100 Easy to Very Hard Sudoku puzzles with solutions

Independently Published

Consecutive Sudoku: 150 Easy to Hard Challenging Sudoku Puzzles With Solutions (Sudoku and Variants)

Independently Published

Even Odd Sudoku: 150 Easy to Hard Sudoku Puzzles With Solutions (Sudoku and Variants)

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Anti Knight Sudoku: 150 Easy to Hard Challenging Sudoku Puzzles With Solutions...

Independently Published

Little Killer Sudoku: 150 Easy to Hard Challenging Sudoku Puzzles with Solutions...