Compare Will Shortz Presents The Dangerous Book of Sudoku, Paperback | Indigo Chapters

Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles! Features:· 100 challenging puzzles· Edited by legendary New York Times crossword editor Will Shortz· Big grids with lots of space for easy solving | Will Shortz Presents The Dangerous Book of Sudoku, Paperback | Indigo Chapters