Calcudoku Classic Sudoku
8 primary works
Book 1
400 CalcuDoku puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 2
400 CalcuDoku EASY puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 3
400 CalcuDoku MEDIUM puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 4
400 CalcuDoku HARD puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 5
400 CalcuDoku VERY HARD puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 6
400 CalcuDoku EASY - MEDIUM puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 7
400 CalcuDoku MEDIUM - HARD puzzles 9 x 9 + BONUS 250 classic sudoku
by Basford Holmes
Book 8