The Times Samurai Su Doku: Book 8

For Anyone Who Loves The Challenge Of Su Doku But Manages To Solve Them Within Minutes, You Can Now Enjoy The Extended Mental Workout And Ultimate Endurance Test Of A Five Grid Interlinked System. This Is Su Doku Multiplied: Every Column, Row And 3x3 Box Must Contain The Digits 1 To 9. Where The Puzzles Overlap, The Rows And Columns Do Not Go Beyond Their Usual 9x9 Length But The Interlocking Boxes Give You More Clues--and More Complexity. With Another 100 New Samurai Puzzles To Vex You For Hours, Lose Yourself In The Four Levels Of This Book: 10 Easy, 40 Mild, 40 Difficult, And 10 Super Difficult. These Are The Most Difficult Su Doku Puzzles In The Times Range.