- Hard puzzles 100
- Very Hard puzzles 100
- All riddles have only 1 solution.
- 2 puzzles per page.
- The font size is correct you will not have to strain your eyes when solving puzzles.
- High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).
Book
Killer Sudoku Puzzle Book for Adults: 200 Hard to Very Hard Puzzles 9x9 (Volume2)
by Alena Gurin
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Paperback
$7.99
- Hard puzzles 100
- Very Hard puzzles 100
- All riddles have only 1 solution.
- 2 puzzles per page.
- The font size is correct you will not have to strain your eyes when solving puzzles.
- High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through).
Paperback
$7.99