Big Book of Su Doku Book 6: 300 Su Doku Puzzles

Collins Puzzles Staff

A bumper collection of easy, medium, and difficult Su Doku puzzles to test your mental dexterity, powers of logic, and deduction. Keep your mind sharp and test your powers of deductive reasoning. Ideal for whiling away those long commutes, traveling, or relaxing at home. Includes brand new Collins-brand...