200 New Difficult Puzzles -- They Are Not Going to Be Easy But You Are Ready Su Doku, "the crossword without words," comes with a warning: it is seriously addic

200 New Puzzles -- From Easy to Just About Difficult Su Doku, "the crossword without words," comes with a warning: it is seriously addictive. You don't need to

200 New Difficult Puzzles -- They Are Not Going to Be Easy But You Are Ready Su Doku, "the crossword without words," comes with a warning: it is seriously addic

Sudoku fans everywhere have spoken and they are eager for more challenging puzzles. This book of 100 mind-melting puzzles is for the bravest sudoku solvers! Gra

A monster collection of easy puzzles.