Everyone knows sudoku is enjoyable--but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no

Keep your mind young and your memory sharp with 480 Jigsaw Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps

Prepare to be obsessed. Match wits with the experts who created Sudoku. Arranged from “Easy” to “Very Hard,” here are over 300 logic puzzles that celebr

Every day, tens of millions of sudoku fans get out their pencils and attack the latest 9x9 puzzle in their daily newspaper. But a huge percentage of those fans

Keep your mind young and your memory sharp with 450 Jigsaw Sudoku Variety Puzzles Book. Scientific research has shown that solving logic puzzles as Sudoku keeps