Boost your brainpower with fun and addicting sudoku puzzles!
Publications International, Ltd. US Amazon Store Publications International, Ltd. (PIL) publishes books and products for kids and adults in many categories: reference, leisure, inspirational, automotive, sports, cookbooks, stationery (New Seasons), interactive and early learning (Little Grasshopper Books).
Boost your brainpower with fun and addictive sudoku puzzles. This book includes 162 puzzles in four increasingly challenging levels, perfect for the novice and pro alike. A two-color answer key is found in the back of the book.
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