Happy Sudoku Birthday 20

HAPPY BIRTHDAY! No arithmetic here! Only logic required! 160 brilliant Sudoku puzzles and solutions that will feed your grey matter with wholesome, organically-approved brain-fodder and provide hours of head-scratching entertainment. This is a special birthday collection of brand new Sudoku puzzles ranging in complexity from EASY through MODERATE and DIFFICULT to HARD. It's a LARGE PRINT version that uses a highly-readable 24 point font which makes itideal for those with visual challenges. And it's perfect for... birthdays long journeys visits from boring relatives tedious lectures utterly pointless departmental meetings whiling away a lazy Sunday afternoon (...got no mind to worry...)! Young or old, newbie or old hand, there's something in here for everyone. The perfect gift! This is part of the Happy Sudoku Birthday series where you'll find a Sudoku book for nearly every birthday from the ages of 16 to 100!