Prepare to be obsessed.
Match wits with the experts who created Sudoku. Arranged from "Easy" to
"Very Hard," here are over 300 logic puzzles that celebrate the
compulsive joy of Sudoku with symmetry, smartness, and
elegance--qualities lacking in computer-generated puzzles. It's fiendish
fun...every puzzle is designed by an author who anticipates your next
step and obscurest the path, while never leading you into frustration.