Collins Su Doku - Big Book of Su Doku 10: 300 Su Doku puzzles

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A bumper collection of easy, medium and difficult Su Doku puzzles to test your mental dexterity, powers of logic and deduction. You will find 100 easy, 100 medium and 100 hard puzz les in this latest collection so you can gauge your progression through the difficulty levels. Are you ready for the test? You will find the solutions at the back of the book. Keep your mind sharp and test your powers of deductive reasoning. Ideal for whiling away the time while travelling, on holiday or relaxing at home. Show more