Collins Su Doku - Big Book of Su Doku 9: 300 Su Doku puzzles

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Keep your brain busy at home with everyday puzzles. 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 puzzles in this collection so you can gauge your progression through the difficulty levels. 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