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World's hardest Sudoku puzzle book for adults: A Challenging Sudoku book for Advanced Solvers a fun way to Challenge your Brain . Solutions included . - Paperback
$16.43
by Brain River Publishers (Author)
Hard Sudoku Puzzles you said ? ...
Look no more, You have just found the hardest Sudoku Ever, so hard even the pro's have hard time solving it. Grab your self a copy and challenge your brain now .
Number of Pages: 102
Dimensions: 0.21 x 11 x 8.5 IN
Publication Date: December 01, 2020