400 classic sudoku 9 x 9 MEDIUM LEVELS + BONUS 250 Labyrinth puzzles: Sudoku with MEDIUM level puzzles and a Labyrinth 21 x 21 very hard levels: Holmes, Basford: 9781727207903: Amazon.com: Books
Very large font. Big Kakuro and Killer Sudoku easy levels.: Book for adults and children. (Sudoku and large size puzzles): Holmes, Basford: 9781078172707: Amazon.com: Books
Adults puzzles book. Big Sukrokuro and Kakuro sudoku.: Medium levels. ( Sudoku and large size puzzles): Holmes, Basford: 9781086422702: Amazon.com: Books
Killer sudoku puzzles and Kakuro.: Easy levels. (Killer sudoku and his friends): Holmes, Basford: 9781074956455: Amazon.com: Books
200 Strong Calcudoku and 200 Jigsaw Sudoku. Hard and very hard levels.: 9x9 Calcudoku complicated version professional - veteran levels + 9x9 Jigsaw ... and Jigsaw Even - Odd classic sudoku): Holmes, Basford: 9781792645389: Amazon.com: Books
Killer sudoku puzzles and Kakuro.: Hard - extreme levels. (Killer sudoku and his friends): Holmes, Basford: 9781075423048: Amazon.com: Books
Amazon.com: 400 classic sudoku 9 x 9 + BONUS 250 Labyrinth puzzles very hard levels: Sudoku with EASY, MEDIUM, HARD, VERY HARD level puzzles and a Labyrinth 21 x 21: 9781727183894: Holmes, Basford: Books
Flower Sudoku: das 5-fach-Sudoku Nr. 3 (German Edition): Rest, Lea: 9783954971602: Amazon.com: Books
400 classic sudoku 9 x 9 HARD LEVELS + BONUS 250 Labyrinth puzzles: Sudoku with HARD level puzzles and a Labyrinth 21 x 21 very hard levels: Holmes, Basford: 9781727212846: Amazon.com: Books