Will Shortz Presents Stress-Solver Sudoku: 100 Wordless Crossword Puzzles

Many solvers love sudoku not just for the intellectual challenge or the sheer fun of solving, but because sudoku puzzles help them attain an almost Zen-like state of mental relaxation. Sudoku, to put it simply, help solvers get in the zone.

Will Shortz has been the crossword puzzle editor of The New York Times since 1993. He is also the puzzlemaster on NPR's Weekend Edition Sunday and is founder and director of the annual American Crossword Puzzle Tournament. He has edited countless books of crossword puzzles, Sudoku, KenKen, and all manner of brain-busters.