Reader's Digest Mind Stretchers: Periwinkle

Is your daily routine becoming too routine? Adding this Mind Stretchers volume - periwinkle - to your day is a perfect mental pick-me-up. You are certain to find a great deal to enjoy in its well crafted and varied selection of brainteasers. So, whether you like word, logic or visual chllenges, you can look forward to the satisfaction of a puzzle solved.