This Sudoku Puzzle Book offers an engaging way for teens or beginners to enhance their mental acuity and challenge their logical abilities. Packed with 504 Hard and Insane puzzles, it promises endless hours of entertainment and mental stimulation. The Book Features: * Loads Of Puzzles: 300 Hard And 204 Insane * Plenty Of Space - 6 Puzzles Per Page * Suitable For Beginners * Perfectly Sized - A4 / 8.5" x 11" * Solutions Included * Premium Cover Desig
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