Will Shortz Presents Hot Sudoku : 200 Very Hard Puzzles

In Will Shortz Presents Hot Sudoku: 200 Very Hard Puzzles, the New York Times’ crossword editor and NPR’s puzzlemaster has crafted some mindbenders to test your will and skill with numbers.

Perfectly portable for when you’re on the go, this collection will fuel your fire to solve equations with puzzles that are going to make you sweat.

“A puzzling global phenomenon” —The Economist

“The biggest craze to hit The Times since the first crossword puzzle was published in 1935.” —The Times of London

“England's most addictive newspaper puzzle.” —New York magazine

“The latest craze in games” —BBC News

“Sudoku is dangerous stuff. Forget work and family—think papers hurled across the room and industrial-sized blobs of correction fluid. I love it” —The Times of London

“Sudokus are to the first decade of the 21st century what Rubik's Cube was to the 1970s.” —The Daily Telegraph

“Britain has a new addiction. Hunched over newspapers on crowded subway trains, sneaking secret peeks in the office, a puzzle-crazy nation is trying to slot numbers into small checkerboard grids.” —Associated Press

“Forget crosswords.” —The Christian Science Monitor