Mensa Challenge Calendar 2025. It’s the perfect way to wake up the crossword lover’s brain, a daily puzzle that’s quick enough to be completed with your morning coffee, but tough. A lively mix of word puzzles, number problems, logic quandaries, and other cranial conundrums, this is the only calendar with puzzles so tough they're sanctioned by mensa (r), the.
A lively mix of word puzzles, number problems, logic quandaries, and other cranial conundrums, this is the. Word puzzles, logic challenges, number problems, and more by simpson, fraser, workman calendars (isbn:.