Killer Sudoku: 200 Medium & Hard Sums Sudoku Puzzles for Adults

Are you looking for a great 8.5" x 11" Killer Sudoku Puzzle Book? Are you looking for a something new and challenging on Medium and Hard level?

This 8.5" x 11" Killer Sudoku book contains 200 the most challenging Sudoku Sums puzzles. It includes 100 Medium and 100 Hard Sum Sudoku puzzles:

DIFFICULTY LEVEL: Medium and Hard

Fun and Challenging - it is a great book of puzzles to keep your mind thinking

• two big puzzles on each page
• large font
• book size: 8.5" x 11"
• gain your experience on medium and hard level
• answers for sudoku with sums puzzles are included at the end of the book
• only one solution for each puzzle
• best to share with family and friends on road trips
• great christmas gift for Sudoku lovers

Happy puzzling