This book introduces structured methods for solving Killer Sudoku puzzles by explaining both the foundational rules of classic Sudoku and the additional logic required for more complex variations. I……続きを見る
Which Two Facts Are True? It's Up to You!
Looking for something to get your family unplugged from their devices and engaged in some lively discussion? Indulge their love of trivia and fun facts with……続きを見る
Sharpen Your Sleuthing Skills with These Super Brain-Strainers
Mystery:
A burglar robs many homes throughout the day. At the last house, he breaks in through the back door. This house has more valua……続きを見る
Award-winning author Sandy Silverthorne and John Warners first collection of one-minute mysteries has sold more than 100,000 copies, and now the two offer more fun thinking puzzles for super-sleuths……続きを見る