Got a couple of minutes to spare? Then test your smarts with this latest entry in the Mensa series-short, thematic, no-pencil word puzzles that really exercise

Readers of all ages will enjoy the challenge of discovering the answers to—or being stumped by—these interactive mysteries. In brief paragraphs and black-an

Brain Teasers with Word Riddles, Math Riddles Logic Puzzles and Trivia Challenges A book of mental exercises with brain teasers that challenge your brain with w

60-Second Brain Teasers Pencil-Free Puzzles contains 201 no-pencil-required brain twisters that take one minute or less. These completely original puzzles range

Award-winning author Sandy Silverthorne and John Warner’s first collection of one-minute mysteries has sold more than 100,000 copies, and now the two offer mo