395 books • 47 series
200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles very hard levels. (Brickwalldoku and Jigsaw Killer Classic Sudoku, #5)
200 Strong Calcudoku and 200 Jigsaw Sudoku. Hard and very hard levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #8)
200 Strong Calcudoku and 200 Jigsaw Sudoku. Medium and hard levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #7)
200 Kakuro 9x9 + 12x12 + 16x16 + 20x20 + 200 Calcudoku Sudoku. (Kakuro and Calcudoku Classic Sudoku, #8)
200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles hard levels. (Brickwalldoku and Jigsaw Killer Classic Sudoku, #4)
200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles medium levels. (Brickwalldoku and Jigsaw Killer Classic Sudoku, #3)
200 Strong Calcudoku and 200 Jigsaw Sudoku. Easy and medium levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #6)
200 Strong Calcudoku and 200 Jigsaw Sudoku very hard levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #5)
200 Kakuro 12x12 + 15x15 + 17x17 + 19x19 + 200 Calcudoku Sudoku. (Kakuro and Calcudoku Classic Sudoku, #7)
200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles easy levels. (Brickwalldoku and Jigsaw Killer Classic Sudoku, #2)
200 Strong Calcudoku and 200 Jigsaw Sudoku hard levels (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #4)
200 Kakuro 14x14 + 16x16 + 18x18 + 20x20 + 200 Calcudoku Sudoku (Kakuro and Calcudoku Classic Sudoku, #6)
200 BrickWallDoku + 200 Jigsaw Killer "X" Diagonal Sudoku. Puzzles easy + medium + hard + very hard levels. (Brickwalldoku and Jigsaw Killer Classic Sudoku, #1)
200 Strong Calcudoku and 200 Jigsaw Sudoku medium levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #3)
200 Kakuro 17x17 + 18x18 + 19x19 + 20x20 + 200 Calcudoku Sudoku Very hard levels. (Kakuro and Calcudoku Classic Sudoku, #5)
200 Strong Calcudoku and 200 Jigsaw Sudoku easy levels. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #2)
200 Calcudoku Strong complicated version and 200 Jigsaw Even - Odd Puzzles X Diagonal. (Calcudoku and Jigsaw Even - Odd Classic Sudoku, #1)
200 Kakuro 17x17 + 18x18 + 19x19 + 20x20 + 200 Calcudoku Sudoku Hard levels (Kakuro and Calcudoku Classic Sudoku, #4)