Big Book of Super Fiendish Su Doku Book 1 : a bumper fiendish sudoku book for adults containing 300 puzzles

Vintage Sudoku : 150 Puzzles

Perfect Pocket Puzzles: Sudoku

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Big Book of Codewords Book 2 : a bumper codeword book for adults containing 300 puzzles

Big Book of Quick Crosswords Book 2 : a bumper crossword book for adults containing 300 puzzles

Killer Sudoku and Other Puzzles - How Do They Do That?

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The Telegraph Big Book of Sudoku 3

The Guardian Sudoku 2 : A collection of more than 200 tricky puzzles

Mensa Killer Sudoku : More than 200 of the most difficult number puzzles

Escape Room Puzzles Book

The First Book of Abc Puzzles

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Sudoku Game Children Arithmetic Learning Toy Homeschool Supplies Educational Packed Iron Box Magnetic 3d Puzzles Baby Toys

Sudoku Game Wooden Sudoku Game Drawers Wood Boxed

The Great Big Book of Really Hard Puzzles

Sudoku Sudoku Toy Parent and Child Educational Game Desktop Sudoku Chess Educational Toy Teaching Aids

Babys First Hidden Pictures : Lift the Flap Book with Learning Puzzles for Babies, Seek-and-Find Activity Book with Interactive & Sensory Puzzles