According to the University of Exeter and King's College, London found that those who complete these sudoku puzzles every day have brain function which is equivalent to someone ten years younger on tests involving grammar and short-term memory.
new LARGE PRINT SUDOKU book with 1032 puzzles easy and hard.The book contains
A simplified explanation of how to play sudokuSuitable for all levels: beginner to expertLOTS of puzzles: 550+ easy, 480+ hardBigger print than in most newspapers and magazines (and with better paper)Fit as a birthday gift for adultsRelated Subjects
Games