by Wayne Gould
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Mathematics · Humor
Math Hysteria
2004
Mathematical recreations · Number theory
Wonders of Numbers
2000
Sudoku
The "Times" Su Doku (Times)
2005
Art · Education
More Mathematical Activities
1985
Sudoku · Puzzles
Sudoku To Go
Kakuro U
2018
Logic puzzles · Sudoku
Pretty Puzzles
2011
Puzzles · Word games
Reader's Digest Pocket Guide
2007
Puzzles · Sudoku
Will Shortz Presents Sudoku for the Weekend
2006
Fiction · Mystery
Sinister sudoku
2008
2016
2014
