Diagonal Sudoku Compendium: 160 puzzles with an X

All Diagonal Sudoku puzzles contain the “X” factor: numbers cannot be repeated on the diagonals.
But that's not all. In this book, however, there are Sudoku X puzzles of different sorts:

• 10 diagonal puzzles 8x8 in size
• 50 classic 9x9 Diagonal Sudoku X puzzles
• 10 Sudoku X puzzles 10x10 in size
• 10 Jigsaw Diagonal Sudoku X
• 10 Diagonal Windoku X
• 10 Diagonal Tridoku (extra special!)
• 10 Consecutive Sudoku X
• 10 NON-Consecutive Sudoku X
• 20 Outside Sudoku X
• 10 Diagonal TwoDoku X
• 10 Diagonal Outside TwoDoku X