~ tracking down this book ~
only cover on file
Mensa Guide to Solving Sudoku
by Peter Gordon and Frank Longo
“Hundreds of Puzzles Plus Techniques to Help You Crack Them All (Mensa)”
2006272 pages~5h read
only cover on file
Mensa Guide to Solving Sudoku
by Peter Gordon and Frank Longo
“Hundreds of Puzzles Plus Techniques to Help You Crack Them All (Mensa)”
2006272 pages~5h read
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