内容简介
You don't need be a maths expert to enjoy a sudoku-all you need is a logical mind ,so sharpen your pencils and brace your brain for this collection of sudoku puzzies.
Ther are more than 540 brand new puzzles ranging over four levels of difficulty ,from Warm up,Challenging and Tough to the pinnacle:Samurai Sudoku - a feast for sudoku addicts everywhere!