Calcudoku and Jigsaw Even - Odd Classic Sudoku
8 primary works
Book 1
200 Calcudoku Strong complicated version and 200 Jigsaw Even - Odd Puzzles X Diagonal.
by Basford Holmes
Book 2
200 Strong Calcudoku and 200 Jigsaw Sudoku easy levels.
by Basford Holmes
Book 3
200 Strong Calcudoku and 200 Jigsaw Sudoku medium levels.
by Basford Holmes
Book 4
Book 5
200 Strong Calcudoku and 200 Jigsaw Sudoku very hard levels.
by Basford Holmes
Book 6
200 Strong Calcudoku and 200 Jigsaw Sudoku. Easy and medium levels.
by Basford Holmes
Book 7
200 Strong Calcudoku and 200 Jigsaw Sudoku. Medium and hard levels.
by Basford Holmes
Book 8