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200 Kakuro and 200 Killer Sudoku puzzles. Hard levels.: Kakuro 9x9 + 12x12 + 15x15 + 17x17 and Sumdoku 8x8 + 9x9 Hard Sudoku puzzles. (plus 250 sudoku - Paperback
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200 Kakuro and 200 Killer Sudoku puzzles. Medium levels.: Kakuro 9x9 + 12x12 + 15x15 + 17x17 and Sumdoku 8x8 Medium + 9x9 Medium Sudoku puzzles. (plus - Paperback
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200 Kakuro and 200 Killer Sudoku puzzles. Easy levels.: Kakuro 9x9 + 10x10 + 12x12 + 15x15 and Sumdoku 8x8 EASY + 9x9 EASY Sudoku puzzles. (plus 250 s - Paperback
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