Adults puzzles book. 200 Kakuro and 200 killer Sudoku. Hard - extreme levels.

Holmes presents a standing collection of sudoku puzzles. Warm up and good brain training. Kakuro levels are 17x17 + 18x18 + 19x19 + 20x20. 8x8 sudoku killer maximum levels.Puzzles killer sudoku with the names: "Summa sudoku", "Amount number place", "Samunamupure", "Kikagaku Nampura", "Sumdoku". Book for superior mental support. In addition, there are links to download 500 puzzles. I hope you enjoy this book. Best Regards, Basford Holmes